根据短文理解,从A、B、C、D四个选项中选择最佳答案填空。

    Mrs Brown lived alone in a small flat, She was old and didn't like 1   at all. So she was very  2  when the excited young man and woman in the flat above moved out. A new young man moved    3  , and Mrs Brown thought, “Well, he looks   4   .” But at three o'clock the next morning, she was woken up by the barking(叫) of a dog.

    “I've  5heard the dog barking here before,” she thought. “It  6  be the young man's dog.” So she telephoned the young man at once,     7    some unpleasant things to him, rang off the telephone and went to bed  8  he could answer.

    The next day Mrs Brown's telephone rang at    9 hour of morning and when she got out of bed and answered, the  10  said to her. “I haven't got a dog, madam.”