问题补充：
It is said that he football in Beijing this afternoon.
A. is about to play
B. is going to play
C. plays
D. playing
答案：
A. is about to play
(答案→)B. is going to play
C. plays
D. playing
解析：本题考查时态。根据时间状语this afternoon可知用将来时态，be about to不可与时间状语连用，故选B。
