—Why didn't you come to Simon's party last night?

— I wanted to, but my mum simply ________ not let me out so late at night. [ ]

A. could  

B. might

C. would  

D. should

现代著名教育思想家陶行知认为幼儿教育应解放儿童的（）。

A.主动性

B.活动

C.兴趣

D.创造力