【题目】—Could you go to see a film with us at 7 this evening?
—Sorry. I ________ a lecture given by a young CEO who graduated from our school.
A.am attending
B.have attended
C.will be attending
D.am about to attend

【答案】C
【解析】句意：——今晚7点你能和我们一起去看电影吗？——很抱歉，那时我正在听一位毕业于我们学校的年轻CEO的演讲。动作发生在将来某一时刻，而这个动作那时候正在进行，故用将来进行时，所以答案是C。