—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; not as good as

. Han Han wrote several novels, almost all of them_______by teenagers.

A．appreciated

B．are appreciated

C．were appreciated

D．having appreciated