Don’t telephone me at 8 a.m. tomorrow — I a meeting.
A. am having
B. will be having
C. am about to have
D. have had
网友回答
A. am having
(答案→)B. will be having
C. am about to have
D. have had
解析：考查时态。根据句意可知是明天上午8点，是将来的时间。本句表示在将来的某个时间正在进行正在发生的事情，用将来进行时。句意：不要再明天上午8点打电话给我，那时我正在开会。