题目内容：

Scully has a talent for creating for her students ___ allows them to communicate freely with each other.
A.which
B.where
C.what
D.who

优质解答

C. what
what做creat的宾语,又做allow的主语,where 副词直接排除,who根据句子意思排除,which引导定语从句,另外what经常可以被all that替换