【名词&注释】
体外受精(in vitro fertilization)、白细胞(leukocyte)、淋巴结(lymph node)、主要特点(main features)、病原体(pathogen)、肠结核(intestinal tuberculosis)、冠状病毒、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