问题补充:
At the end of the meeting, it was announced that an agreement .
A. has been reached
B. had been reached
C. has reached
D. had reached
答案:
A. has been reached
(答案→)B. had been reached
C. has reached
D. had reached
解析:考查时态。根据语境及时间状语At the end of the meeting在会议结束的时候,可知用过去完成时,选B。句意:在会议结束的时候,宣布已经达成协议。