【名词&注释】
体外受精(in vitro fertilization)、平均值(average)、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)、可测量(can measure)
[单选题]蝶鞍侧位片上可测量(can measure)其前后径及深径,其平均值分别为
A. 10.5mm,9.5mm
B. 11.7mm,9.5mm
C. 12.0mm,10.0mm
D. 5.0mm,10.0mm
E. 10.0mm,20.0mm