答案

A

解析

confidence man is a man who persuades people to give him their money or property by lying to them. confidence man就是通过撒谎骗你钱财的人——也就是我们常说的骗子。这么一想，确确实实如此啊，他自己如果都没自信，怎么会有自信骗到你呢？做骗子最高的境界就是连自己都相信了自己。