Was it in the village _______we used to live in _________the accident happened?

A．where; that

B．which; that

C．that; where

D．where; which

诊断支原体肺炎的主要依据是（）

A.痰细菌培养阴性

B.血清冷凝集试验阳性

C.红霉素试验性治疗

D.临床表现

E.X线特异表现