先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Mr．and Mrs．Black want to go to Beijing．But their dog Bobby1go there with them.So they2him in a pet shop．

    Mr．and Mrs．Black get back home3Beijing very late at night on Sunday,4they leave Bobby at shop.On Monday morning，Mr.Black5dog back in his car．When he gets home，he says to his wife，“Bobby is barking(吠叫)all the time．I think he wants to6me something．Doesn't he like the7or doesn't he feel well?”

    Mrs．Black8 the dog carefully(仔细地)and then says.“You're9． He wants to tell you something．He wants to tell10that he isn't Bobby．”