题目

人是通过下列哪种方式感染血吸虫的？( ) A . 吃了米猪肉 B . 食未熟的鱼 C . 蚊虫叮咬 D . 接触有钉螺的水域 答案：D When the man was trying to break into the bank, he was caught by the police ________． [　　] A．in a spot B．on the spot C．off the spot D．to the spot