选择：The manager entered the office and was happy to learn that four fifths of the tickets ___ .
问题描述：
选择：The manager entered the office and was happy to learn that four fifths of the tickets ___ .
The manager entered the office and was happy to learn that four fifths of the tickets ___ .
A:was booked B:had been bookedC:were bookedD:have been booked
答案是 B为什么选B ?怎么翻译?
答
翻译：经理走进办公室,很开心的得知五分之四的票已经被预定了（卖出去了）.
主句中时态为过去时,从句由动词learned引出,句中意思为已经被订出去了.用一些中学老师的话就是,强调票 已经 卖出去了,为什么,很简单,前面给出了语境了,经理很开心啊.