【名词&注释】
整体性(integrity)、灵活性(flexibility)、体外受精(in vitro fertilization)、楔状缺损(wedge-shaped defect)、食物嵌塞(food impaction)、同源人工授精(artificial insemination by husband)、铸造卡环(cast clasp)、发育畸形、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
C. 异源人工授精(artificial insemination by donor)
D. 无性生殖(asexual reproduction)
E. 体外受精