阅读下列短文，从每小题所给的A、B、C、D 四个选项中选出一个最佳选项。

I have an uncle. His name is Bob Green. He likes soccer ball, baseball, volleyball, basketball and1. He2baseball and basketball very well. He often watches sports games3TV. He plays sports every day. He often says, "Let's play..."He joins4clubs: basketball club and baseball club. He has5many big sports collections(收藏): 12 tennis rackets, 9 baseballs, 3 volleyballs, 3 basketballs and one soccer ball. He thinks playing sports6very interesting. And it can make him 7. His son is Tom. Tom has a basketball,8. He often plays basketball with his friends9class. Tom doesn't have a tennis. He asks his10, Mr. Green, to buy one for him. But my uncle is always busy.