You'd better not call the manager between 7 and 8 this evening, for he ________ important meeting then.

A.will have

B.would have

C.will be having

D.will have had

答案及解析： C

解析：

解题思路：解答该题的关键是要准确理解句意，根据题干中提供的时间状语来判断使用表示将来的多种时态中的哪一种．