问题
Mum, could you buy me a dress like this?—Certainly, we can buy ______ one than this, but ______ this.
A:a better; better than
B:a worse; as good as
C:a cheaper; as good as
D:a more important; good as
B:a worse; as good as
C:a cheaper; as good as
D:a more important; good as
正确答案是：
