Now that she is out of a job.Lucy ______ going back to school,but she hasn’t decided yet.

问题描述:

Now that she is out of a job.Lucy ______ going back to school,but she hasn’t decided yet.
A.had considered B.has been considering C.has been considering
D.is going to consider
为什么?

C
如果A的话,表示动作已经结束,即已经考虑好了,这与后面的没有决定矛盾.所以用has been considering表示从以前到现在一直都在考虑,但是没有结果.