请教一道语法题

siriusalive

The Rorschach test is gaining new repeat as a diagnostic tool because it takes only one hour to expose behavior and thought processes that may be unlikely to emerge in other precedures or weeks of ordinary interviewing.

A.that may be unlikely to emerge in other precedures or weeks of ordinary interviewing.

B.that might not emerge in other precedures or weeks of ordinary interviews

这里可以用might表示可能行吗？may 与might不是只有时态上的差别么？这里为什么要用might

myungryong

may 与lilkely是否重复？

siriusalive

是重复了，但为什么用might呢?

myungryong

不关心，错了的选项杀掉就行

EvaCheng

might可以用在现在时，语气上比may稍弱一点点。possibly现在也可以替换may，语气稍强一点点。