21.请阅读Passage 1,完成第 1～5小题。 　　Passage 1 　　Hidde

[单选题]21.请阅读Passage 1,完成第 1～5小题。 　　Passage 1 　　Hidden Valley looks a lot like the dozens of other camps that dot the woods of central Maine.There's a lake,some soccer fields and horses.But the campers make the difference.They're all American parents who have adopted kids fiom China.They're at Hidden Valley to find bridges fromtheir children's old worlds to the new.Diana Becker watches her 3-year-old daughter Mika danceto a Chinese version of“Twinkle,Twinkle,little Star.”“Her soul is Chinese,”she says,“but reallyshe's growing up American.” 　　Hidden Valley and a handful of other“culture camps”serving families with children fromoverseas refiect the huge rise in the number of foreign adoptions,from 7, 093 in 1990 to 15, 774last year.Most children come from Russia (4, 491 last year) and China (4, 206) but there are alsothousands of others adopted annually from South AmericA.Asia and Eastern Europe.After cuttingthrough what can be miles of red tape,parents often come home to find a new“predicament”.“At firstyou think, 61 need a child',”says Sandy lachter of Washington,D.C.,who- with her husband,Steve,adopted Amelia.5,from China in 1995.“Then you think,‘What does the child need?’” 　　The culture camps give families a place to find answers to those kinds of questions.Most grewout of local support groups;Hidden Valley was started last year by the Boston chapter of Familieswith Children from China.which includes 650 families.While parents address weighty issueslike how to raise kids in a mixed-race family,their children just have fun riding horses,singing Chinese songs or making scallion pancakes.“My philosophy of camping is that they could be doing anything,as long as they see other Chinese kids with white parents,”says the director,Peter Kassen,whose adopted daughters Hope and lily are 6 and 4. 　　The camp is a continuation oflanguage and dance classes many of the kids attend during theyear.“When we rented out a theater for 'Mulan,' it was packed,”says Stephen Chen of Boston,whose adopted daughter lindsay is 4.Classes in Chinese language,art and calligraphy are taught by experts,like Renne lu of the Greater Boston Chinese Cultural Center.“Our mission is to preservethe heritage,”Lu says. 　　Kids who are veteran campers say the experience helps them understand their complexheritage.Sixteen-year-old Alex was born in India and adopted by Kathy and David Brinton of Boulder,Colo.,when he was 7.“I went through a stage where I hated India.hated everything about it,” he says.“You just couldn't mention India to me.”But after six sessions at the East India Colorado Heritage Camp,held at Snow Mountain Ranch in Estes Park,Colo.,he hopes to travel toIndia after he graduates from high school next year.

What is the author's primary purpose in writing the passage?

A. Revealing the procedures for foreign adoptions.
B. Recounting an amazing childhood camping experience.
C. Investigating how Hidden Valley serves foreign adoption families.
D. Demonstrating how culture camps help foreign adoption families.