月经不调做b超还是阴超:选择题,

来源:百度文库 编辑:神马品牌网 时间:2024/05/05 02:46:07
he said something and i understood it ,he said something ____i understood .
a,who b ,whose c. whom d ,which
能否帮我分析一下呢?

C

d