will be having a meeting at 4 tomorrow afternoon?

问题描述:

will be having a meeting at 4 tomorrow afternoon?
I __ a meeting at 4 o'clock tomorrow morning.A.will be having B am going to have

A
问的是用的将来进行时,回答还是用将来进行时,因为有at 4 o'clock tomorrow morning这个时间状语提示,明天那个时间,正在做某事