第4题: [单项选择]When the news of his ______ with the enemy became known, he was hanged in effigy. A. involement B. conversations C. collusion D. complacency 参考答案:C 答案解析:(collusion共谋,勾结)。句意为:他与敌人勾结的消息尽人皆知,他的模拟像被处以绞刑。A.involvement牵连;D.conversations谈话;D.complacency自满。