单选题 When the news of his ______ with the enemy became known, he was hanged in effigy.
A. involement B. conversations C. collusion D. complacency

【正确答案】 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；B．conversations谈话；D．complacency自满。