Please don’t phone him between 1 and 3 p.m. tomorrow. He a lecture then.
A. has delivered
B. has been delivering
C. will be delivering
D. delivers
网友回答
A. has delivered
B. has been delivering
(答案→)C. will be delivering
D. delivers
解析：考查动词的时态。句意：明天下午1点到3点之间不要给他打电话，那时他正在做演讲呢。根据关键词between 1 and 3 p.m. tomorrow，明天的这个时间他应该是将正在做演讲，所以应该用将来进行时，所以Ｃ正确