With Tom’s help, Jack does his homework ____

试题详情及答案解析

With Tom’s help, Jack does his homework _____ than before.

A．much more careful	B．more careful
C．much more carefully	D．much carefully

答案：C

试题分析：句意：在Tom的帮助下，杰克做作业比以前认真地多了。结合语境可知本句中表示和其它人的对比，故用副词的比较级，选C。
考点：考查比较级的用法