阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。

　　Tim was born after his elder brother and sister．He could learn many things from them．Soon，he developed his own way of doing things by developing his mind through his interest in creating stones．He would read more than most children and he gathered his inspiration from history books．In school，his athletic interests were basketball and track，especially high jump．When he found he could jump a little higher than most students，he decided that jumping over a high bar would be his specialty．

　　Tim continued his learning interest in history which included serious college study，and a Master's degree．He is now a university professor at a small university in Los Angeles．In he United States there are many schools that have history departments．There are large universities with as many as 60 thousand students and small universities with as few as 2000 students．His degree from a large university with a strong history department has helped him get a good job．

　　Tim and Kelli like cats．They have two of them and they are special members of the family．Their grey and white cat is Toby．The coal black colored cat is called Buddha because he sits so quietly．Cats are popular with many people In America．

1．which of the following statements is true？

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A．Tim is the second child in his family．

B．Tim has a younger sister．

C．Tim is the third child in his family．

D．Tim is the only child in his family．

2．What was he good at when he was at school？

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3．We can infer from the above passage that________．

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A．all the Americans like to keep cats

B．the cat is called Buddha because he is always quiet

C．the population of a small university is only one third of that of thelargest one

D．it is easier for a graduate from a large university with a famous department to do job hunting