It suddenly to the detective that the millionaire was probably murdered by his own daughter.
A. happened
B. occurred
C. thought
D. took place
网友回答
A. happened
(答案→)B. occurred
C. thought
D. took place
解析：occur to sb :e into a person’s mind想到.想起。侦探突然想起百万富翁有可能被他女儿所杀；happen to sb某人发生了什么事。故选B