—Have the exam results arrived yet?
—No. They were due to have arrived at the school today but apparently the exam board them yet.
A. didn’t post
B. hasn’t posted
C. doesn’t post
Dhadn’t posted
网友回答
A. didn’t post
(答案→)B. hasn’t posted
C. doesn’t post
D. hadn’t posted
解析：考察时态。根据yet可知是本题是完成时因为yet常常与完成时连用。