关于女性第二性征是指（）。

A.音调变化

B. * * 丰满而隆起

C.出现阴毛和腋毛

D.体重增加

E.骨盆横径发育大于前后径的发育

The school _________ I studied for only two years was three kilometers away.   [ ]

A. where

B. of which

C. in that

D. 不填