题目内容：

_ you are,_ mistakes you will make in the test. A.The more crreful; the fewer
A.The more crreful; the fewer
B.The more crrefully; the fewer
C.The more crreful; the less
D.The more crrefully; the less

优质解答

正确答案选A
be careful,选用形容词形式,所以是the more careful
mistake是可数名词,用few的比较级,所以是the fewer