This is a problem ____ to work out in two minutes.

This is a problem ____ to work out in two minutes.
A、enough easy
B、easy enough
C、hard enough
D、enough hard
【正确答案】：B
【题目解析】：当enough作为副词 修饰副词或形容词时，要放在形容词副词之后，因此排除AD；句意：这个问题很____，两分钟就能解决。B 符合题意，很简单；D 很复杂。不合题意，排除。