Many experts think pigs are to train than dogs or cats.A. easierB. much easyC. more easil

问题补充：

Many experts think pigs are to train than dogs or cats.

A. easier

B. much easy

C. more easily

D. too easy

答案：

(答案→)A. easier

B. much easy

C. more easily

D. too easy

解析：后面有than 故使用比较级，easy 的比较级为 easier ， 所以选A 。