—We'll go to the party to be held in Qinghai Grand Theater at 8 tonight. Could you join us?
—I'm afraid I can't. I the holiday plan with my friends.
A. am discussing
B. have discussed
C. will be discussing
D. will have discussed
网友回答
A. am discussing
B. have discussed
(答案→)C. will be discussing
D. will have discussed
解析：C 考察动词时态。句义：我参加不了巨虎，因为今晚8点我讲正合朋友讨论假期计划。Discuss所表示的动作在今晚8点正在进行，应用将来进行时。故C正确。