一人向竖直悬挂的平面镜走近时，他在镜中的像将　 [ ]

A． 变大

B． 变小

C． 不变

D． 变倒立

It was not just the size of the school but ________ it provides for us students________ made it unique. 

A．that; that

B．what; that

C．what; what

D．that; what