—Did Kate do best in the final exam?—No but of all the students she did.A. the most car

问题补充：

—Did Kate do best in the final exam?

—No, but of all the students she did.

A. the most careful

B. more careful

C. most carefully

D. more carefully

答案：

A. the most careful

B. more careful

(答案→)C. most carefully

D. more carefully

解析：C考查形容词副词最高级。修饰did用副词，排除A/B；比较范围是”of all the students”，故用最高级，选C。