Question

She ought to stopworking; she has a headache because she ________ too long.

A. had read
B. read
C. is reading
D. has beenreading

Answer 1

答案C
导解：从前一句“她该停止工作了”可知现在还在工作，因此用现在完成进行时．

Answer 2

答案D
第一句说她应该停止工作了，说明她现在还在工作，应用进行时态CD，后面由toolong强调一直在工作，故选择D。