Jim was born after his elder brother and sister. He could learn many things from them. Soo

n, he developed his own way of doing things by developing his mind through his interest in creating stories. He read more than most children and he gathered his inspiration from history books. In school, his athletic interests were basketball and bike, 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.

Jim 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 the 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 2 000 students. His degree from a large university with a strong history department has helped him get a good job.

Jim and Kate like cats. They have two of them and these cats are special members of the family. Their grey and white cat is Toby. The coal-black colour cat is called Buddha(佛爷) because he sits so quietly. Cats are popular with many people in America.

Which of the following statements is true？

A．Jim is the second child in his family.

B．Jim has a younger sister.

C．Jim is the third child in his family.

D．Jim is the only child in his family.