【单选题】

Why did CK refuse to buy his kids cell phones?

A . He didn‘t like cell phones at all and thought they were poisonous, especially, for kids.
B . He believed that cell phones were ruining kids‘ abilities to experience their own lives.
C . He worried that his kids would play their phones in class and be absent-minded.
D . He was a different kind of father who would like to raise his kids in a different way.