He is ill and he has in bed for a week.A. layB. liedC. laidD. lain

问题补充：

He is ill, and he has in bed for a week.

A. lay

B. lied

C. laid

D. lain

答案：

A. lay

B. lied

C. laid

(答案→)D. lain

解析：这是lie的过去分词形式 lain,与has构成现在完成时.