【名词&注释】
体外受精(in vitro fertilization)、乒乓球(table tennis)、接触点(contact point)、牙菌斑(dental plaque)、早接触(premature contact)、卵巢畸胎瘤(ovarian teratoma)、同源人工授精(artificial insemination by husband)、根尖周囊肿(periapical cyst)、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