―Kate doesn’t look very well. What’s wrong with her? ―She has a headache because she too

问题补充：

―Kate doesn’t look very well. What’s wrong with her?

―She has a headache because she too long; She ought to stop work.

A. has been reading

B. had read

C. is reading

D. was reading

答案：

(答案→)A. has been reading

B. had read

C. is reading

D. was reading

解析：has been reading为现在完成进行时，表示一个动作从过去开始一直进行到现在。