溃疡性结肠炎主要侵袭肠壁的

A．黏膜层与黏膜下层

B．黏膜下肌层

C．肌层

D．浆膜层

E．全层

——He ought ot have been warned of the danger.

——____, but he wouldn’t listen to me.

A．yes, he ought to

B．So he was

C．So was he

D．So it was with him