【题目】It suddenly _______ to the detective that the professor was probably murdered by his own wife.
A. occurred B. came about
C. took place D. happened
在线课程【答案】A
【解析】试题分析： 考查固定句型。句意：侦探突然想到教授可能被他的妻子谋杀了 。it occurred to sb that 某人突然间想起 ，故选A项。
考点 : 考查固定句型