【名词&注释】
商业化(commercialization)、体外受精(in vitro fertilization)、呼吸困难(dyspnea)、预防性(preventive)、咽部异物感(pharynx foreign body sensation)、人口数量(population quantity)、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)、生儿育女(produce offspring)
[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