-----Did Mary come to the party?

---I don’t know．She _____while I was out．

A．may have come

B．must have come

C．might come

D．could come

五脏因其所在位置分阴阳，其中肺为（）

A.阳中之阳

B.阳中之阴

C.阴中之阳

D.阴中之阴

E.阴中之至阴