题目内容：

This math problem is () than that one.A.the easier B.much easier C.much easy D.very easy

优质解答

B.
This math problem is (much easier) than that one.
A.形容词的比较级 easier 前不加the
C.than 要求形容词的比较级,不是easy
D.than 要求形容词的比较级,不是easy