【名词&注释】
慢性牙周炎(chronic periodontitis)、结节病(sarcoidosis)、体外受精(in vitro fertilization)、多发性(multiple)、溃疡性(ulcerative)、抵抗力(resistance)、肉芽肿性唇炎(granulomatous cheilitis)、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