Paul isn’t as as Sandy. He often makes mistakes in his homework.A. carelessB. more carele

问题补充：

Paul isn’t as as Sandy. He often makes mistakes in his homework.

A. careless

B. more careless

C. careful

D. more careful

答案：

A. careless

B. more careless

(答案→)C. careful

D. more careful

解析：句意：Paul不如Sandy细心。他经常在他的作业中犯错误。as…as…结构中，应该用形容词，副词的原形，由后半句可判断出选C正确。

考点: 考查形容词级别的用法。