完形填空。 An old man has a cat. The cat now is very old. She can't run quickly, and she can't bite 1 . One day the old cat saw a mouse, she jumped and 2 it. But she couldn't bite it. So the mouse got out of her 3 and ran away. The old man got very 4 and beat the cat. The cat said to him.'Don't beat your servant. Don't be unkind to the 5 When they are young, they can do good work.' (     )1. A. too (     )2. A. catch (     )3. A. mouth (     )4. A. sad (     )5. A. young B. also B. caught B. eyes B. satisfied B. old C. either C. catches C. hands C. angry C. sick