题目：
The problem had become _____ in his mind, and he could not decide what to do about it.
A．simplified
B．exaggerated
C．matured
D．isolated
答案：
B
exaggerate(="say" or believe more than the truth about sth.)夸张，夸大：It was a rabbit, not a lion. You are exaggerating as usual. (这是一只兔子，不是狮子。你经常夸大事实。)simplify 简化；mature使成熟；isolate使孤立。
本题译文：这个问题在他头脑里夸大了，因此他无法决定该怎么办。
