【名词&注释】
旅游者(tourist)、旅行社(travel agency)、直辖市(municipality city)、国务院、履行合同(perform a contract)、自治区(autonomous region)、实际上(actually)、组团社、承担责任(undertake responsibility)、行政管理部门(administrative department)
[单选题]因未达到约定人数不能出团的,组团社经征得旅游者书面同意,可以委托其他旅行社履行合同。______。()
A. 组团社不对旅游者承担责任(undertake responsibility),受委托的旅行社对旅游者承担责任(undertake responsibility)
B. 组团社对旅游者承担责任(undertake responsibility),受委托的旅行社对组团社承担责任(undertake responsibility)
C. 组团社和受委托的旅行社对旅游者承担责任(undertake responsibility)
D. 根据情况,组团社或受委托的旅行社对旅游者承担责任(undertake responsibility)