10．
Choose the best answer(根据以下内容，选择最恰当的答案)
Jack is a night
watchman. His work is to guard a factory. There is nobody to talk with at
night. Jack likes his work. He knows it is important to guard the factory at
night. He always walks around the factory. If he hears a noise，he goes quickly to
see what it is. Tonight Jack hears a noise when he walks around the factory. He
goes quickly to see if someone is there. But he sees only a small cat. Jack
smiles and talks to the cat. It looks cold and hungry. He takes the cat inside
the factory and the cat goes after him happily. Jack is happy, too.
