. I told your friend how to get to the hotel, but perhaps I __________ have driven her there.

A．could

B．must

C．might

D．should

急性化脓性腹膜炎的常见原因应除外

A．腹腔内脏器穿孔

B．损伤引起的腹壁或内脏破裂

C．血源性感染

D．手术污染

E．吻合口瘘