阅读下列短文，并做每篇短文后面的题。从A、B、C、D四个选项中，选出能回答所提问题或能完成所给句子的最佳选项。

　　One day when Jack was walking inthe park, he saw a woman he knew sitting on a bench(长椅)with a dog beside her．The dog was looking up at the woman．

　　Jack walked up to the woman and said, “Hello．Sue, how are you? May I sit and talk with you for a while? ”

　　“Of course, please sit down, ”Sue said．

　　Jack sat down next to Sue on the bench, and they talked quietly together．

　　The dog continued to look up at Sue, as if waiting to be fed．

　　“That's a nice dog”Jack said, pointing(指向)at the animal．

　　“Yes, he's handsome．He's a bit of a mixture(混合)but that's not a bad thing．

　　He's strong and healthy”

　　“And hungry, ” Jack said．“He hasn't taken his eyes off you．He thinks you've got

　　some food for him．”

　　“That's true, ”Sue said, But I haven't．”

　　The two friends laughed and then Jack said, “Does your dog bite? ”

　　“No, ” Sue said．“He's never bitten anyone．He's always gentle and good-tempered

　　(好脾气)．”

　　Hearing this, Jack decided to pet the dog．He put out his hand and touched the

　　animal's head．Immediately it jumped up and bit him．

　　“Hey! ” Jack shouted．“You said he didn't bite．”

　　“No, I didn't, ”Sue replied．“You asked，if my dog bit, and I said no．

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