Question

【题目】He worked out the math problem. Though it is of all.
A.difficult
B.more difficult
C.the most difficult

Answer 1

【答案】C
【解析】句意：他解决了这个数学题，尽管它是所有中最难的。三者或三者以上比较应为最高级形式，故是the most difficult。选C。