There are more than to_____languages spoken in Nigeria.

There are more than to_____languages spoken in Nigeria.
A.hundreds B.hundreds of
C.hunderd D.hundred of
为什么，为什么，为什么，为什么，为什么，为什么
到底是C还是D

There are more and more people There are more people on the beach than _____ There are more than 50 proposals ___at the conference. there are far more opportunities for young people that there used to be There have there are There are more and more trees on ____ side of the trees in Shanghai.应该填either还是each？ 有这样一句话:There are twenty more trees to be planted.那么这一句呢: There are more than 1.2 billion in china.帮忙翻译,还要具体分析啊,谢谢. there are more students in class one than in class two/those in class two? 为什么是：We have planted ten tress and there are twenty more to be planted