—Have you got your exam papers?
—Not yet. I guess they at this moment.
A. are being graded
B. are grading
C. have graded
D. have been graded
网友回答
(答案→)A. are being graded
B. are grading
C. have graded
D. have been graded
解析：考查时态及语态。句意：你们拿到试卷了吗？还没呢，我猜它们此刻正在被评分呢。根据语境应用现在进行时的被动语态，所以选A。