The little daughter has for a long time. Her mother is trying waking her up now.　A. fall

问题补充：

The little daughter has for a long time. Her mother is trying waking her up now.

A. fallen asleep

B. been asleep

C. got to sleep

D. gone to bed

答案：

A. fallen asleep

(答案→)B. been asleep

C. got to sleep

D. gone to bed

解析：本题需要的是延续性动词或be +adj 表示状态，故选B，符合题意。