I don't like geography because it isn't____history.

问题描述:

I don't like geography because it isn't____history.
A.as interested as B.so interesting as C.as interested than D.so interesting than
望好心人能顺明解题原因,

选择B
在陈述句中,so...as 与as...as是一样的,可以互换,
但是在否定句中,不可以用not as...as,只能用not so...as