按所听内容选择正确答案。
（1）A. Five three.   B. Three.           C. Eight.
（2）A. Nineteen.      B. Twenty-six.      C. Twenty-eight.
（3）A. About five .    B. About fifty.     C. At nine, I think.
（4）A. I'm hungry.     B. Let's go home.   C. She's in the bedroom.
（5）A. Here you are.   B. No, it isn't.    C. Yes, it's his pen.