参考答案

正确答案：C
解析：动词辨析kill在本句中表示：令某人烦恼、伤心、关注(与annoy同义)；例：It kills me to see him working so hard．看到他工作那么辛苦我很担心。A．made the audience laugh to death 使观众笑到死；B．made the audience unimaginative使观众感到无趣；C．made the audience very painful令观众感到痛苦；D．made the audience very nervous令观众感到紧张；因此C为答案。