He preferred to sit rather than.A. sleepB. sleepingC. to sleepD. asleep

问题补充：

He preferred to sit rather than.

A. sleep

B. sleeping

C. to sleep

D. asleep

答案：

(答案→)A. sleep

B. sleeping

C. to sleep

D. asleep

解析：句意：他宁愿坐着而不是睡着。Prefer to do sth. rather than do sth.宁愿做某事而不做某事，rather than后接动词的原形，故选A。