–Jack is good at writing short stories.
----So he is. But he writes than us. So he can’t get good grades in writing.
A. most carefully
B. more careful
C. less carefully
D. least careful
网友回答
A. most carefully
B. more careful
(答案→)C. less carefully
D. least careful
解析： 考查副词比较级。有than故用比较级，而这里修饰write，故用副词的比较级。选C。