【名词&注释】
恶性肿瘤(malignant tumor)、大肠癌(colorectal cancer)、指导思想(guiding ideology)、生物医学(biomedical)、体外受精(in vitro fertilization)、发达国家、社会医学(social medicine)、同源人工授精(artificial insemination by husband)、异源人工授精(artificial insemination by donor)、无性生殖(asexual reproduction)
[单选题]目前,我国禁止的生殖技术是
A. 人工授精
B. 同源人工授精(artificial insemination by husband)
C. 异源人工授精(artificial insemination by donor)
D. 无性生殖(asexual reproduction)
E. 体外受精