she is the only one of the students able to answer this question.A who is B who are C that is D t

问题描述:

she is the only one of the students able to answer this question.A who is B who are C that is D t
she is the only one of the students able to answer this question.
A who is B who are C that is D that

A
who做the only one of the students 整体的定语