这是一道英语选择题：Liven is __________than I am.A.funny and outgoing

这是一道英语选择题：
Liven is __________than I am.
A.funny and outgoing B.more funnier and outgoing
C.funnier and more outgoing D.more funny and outgoing
还有一道题是：
My brother is __________more outgoing than me.
A.more B.most C.a little D.little
顺便说一下为什么。
为什莫不能是B呢(⊙o⊙)？