The exam is much than before.A. easyB. easilyC. more easilyD. easier

问题补充：

The exam is much than before.

A. easy

B. easily

C. more easily

D. easier

答案：

A. easy

B. easily

C. more easily

(答案→)D. easier

解析：根据than我们可知，本句应该是一个比较级，easy和easily分别是形容词和副词的原级，故将AB排除；又根据题意，本处需要一个形容词，所以本题选D。