— She must be in red.

— No,          . She wears a green coat.            [ ]

A. she is                      

B. she must not

C. I don't think so              

D. I am not

男，35岁。婚后6年没有小孩，女方检查正常。经化验确诊为“精子数量少”，性生活基本正常，偶有腰酸乏力，舌淡红，脉沉缓。辨证为（）

A.肾阳虚

B.肾精不足

C.肾气不固

D.肾不纳气

E.肾阴虚