Mr. Li asks us to remember that careful we are mistakes we will make. A. the more; the

问题补充：

Mr. Li asks us to remember that careful we are, mistakes we will make.

A. the more; the fewer

B. the fewer; the more

C. the more; the more

D. the less; the fewer

答案：

(答案→)A. the more; the fewer

B. the fewer; the more

C. the more; the more

D. the less; the fewer

解析：在表示“越．．．．．．，越．．．．．．”时，可使用“the+比较级，the+比较级”这一结构，根据前后句意：我们越细心，我们将犯越少的错误。fewer修饰可数名词，故选A。