They haven't decided on the date___the next meeting A in B of C on D for

They haven't decided on the date___the next meeting A in B of C on D for
They haven't decided on the date___the next meeting A in B of C on D for

They haven't decided on the date___the next meeting A in B of C on D for
选择D

B

答案：D。表目的，开... 的会议。整个句子可以译成：他们还没有定下来那天要开什么方面的会议。