根据问句，选择适当的答语。(20分)
(  )（1）Do you want some rice?
(  )（2）What's she doing?
(  )（3）Have you got a brother?
(  )（4）Is English difficult for you?

A．She's making a cake.	B．Yes，it is.
C．No，thanks.	D．Yes，I have.