选出正确的应答句：10%
（1）A. It’s blue.     
B. It’s a hall.        
C. It’s big.
（2）A. He’s my father.
B. She’s my sister.    
C. She’s my mother.
（3）A. It’s yellow.   
B. It is a yellow bird.  
C. They’re yellow.
（4）A. Ten.         
B. Ten yuan.        
C. Ten, please.
（5）A. No.         
B. Yes.             
C. May I have some apples?