have a rest you ____on your report all the morning but i haven't finished half of itA:are working B:had worked C:have been working D:worked

问题描述:

have a rest you ____on your report all the morning but i haven't finished half of it
A:are working B:had worked C:have been working D:worked

c

C:have been working
现在完成进行时.
休息一会儿吧,你已经在你的报告上忙了一上午了.
可我还没弄完一半.