与闭经有关的脏腑是（）
A.心肝脾
B.心脾肾
C.心肝肾
D.肝脾肾
E.脾肺肾
参考答案：D
— What time do you expect me back, Mum?
— Say, _____ half an hour. [ ]
A. at
B. before
C. in
D. for
水平型微指令
