阅读短文，掌握其大意，然后从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

    Tom is1years old. He likes to watch TV with his parents after supper, but his parents never let him stay long. After watching TV for some time, his mother2says," It's eight o'clock now. It's time3you to go to bed, Tom."

    "But why don't you go to bed, too?" Tom always asks.And he is not4.

    "We are adults (大人)," mother says, "And adults go to bed5."

    One evening Tom asked his mother for6apple.

    "But it's too late," his mother didn't want to give him anything to7at bedtime. "The apples are already asleep."

    "8not all of them, Mom." Tom said, "The baby apples are perhaps asleep, but their parents are surely not.9go to bed late." And then he asked, “ Can I eat the baby apples' 10now, Mom?