Where are the books _______ animals? （  ）

如图所示，是李刚在睡眠、散步、长跑三项活动状态中的三种生理指标，甲表示呼吸频率、乙表示心率、丙表示下肢肌肉毛细血管内氧合血红蛋白结合率（即氧气与血红蛋白没有分离的百分比含量）．请选出能正确表示李刚长跑时三种生理指标的选项（　　）

    My name is Tom. I am____(九). I like____(白色的). It's a clean color. I have two basketballs. Look, they are____(在……下面) the bed. I think it's ____ (容易的) for me to play basketball. I always play it after class. Oh, what about my____(父母亲). My father____(喜欢) sports, too. He has____(一些) balls. You can see the balls____(到处) in his bedroom. My mother is a ____(教师). She doesn't____(有) any balls, she only watches sports games on TV.