问题
How do you like the twins–Well, I think the elder sister is _______ but the young sister is _______.
A:more clever; more hard-working
B:cleverer; more hard-working
C:the cleverest; the most hard-working
D:the most cleverest; the most hard-working;
B:cleverer; more hard-working
C:the cleverest; the most hard-working
D:the most cleverest; the most hard-working;
正确答案是：
