This problem is that one.A. not so easy asB. more easy thanC. not so easier asD. more eas

问题补充：

This problem is that one.

A. not so easy as

B. more easy than

C. not so easier as

D. more easier than

答案：

(答案→)A. not so easy as

B. more easy than

C. not so easier as

D. more easier than

解析：easy的比较级就是easier，所以BD排除，而又so…as 中间接原级，故选A