Question

【题目】This math problem is _______ than one. Few students can work it out.
A.more difficult
B.easier
C.the most difficult
D.easiest

Answer 1

【答案】A
【解析】句意：这个数学问题……另一个，很少人能做出来。根据句意可知是两者之间比较，问题很难，故选A。