阅读下面短文，从短文后所给的A、B、C、D四个选项中选出能填入相应空白处的最佳选项。

    This is an apple tree. There are many 1 on the tree. There are some 2under it, too. They are 3 happily. Under the tree I can 4 a boy and a girl. They're playing games with the dogs.  The boy is 5 a blue sweater and white shoes. He is Jim. He is 6 American student. He is 14. He 7 his school very much. The girl is Jim's sister, 8 name is Cindy. She is 11. She is in a yellow dress. Her shoes are yellow. 9 . Now they are standing here, they are waiting for their friends. They 10 to play games under the tree.

在呼吸时不能进行的生理活动是（    ）

AMary: Hello, Gina. Do you want to have evening classes? On Monday evenings, there is a guitar (吉他) class.

Gina: I'm busy on Mondays. What about Tuesdays?

Mary: There's a class to teach you how to make bread. The teacher is Mr. Smith.

Gina: The class is useful. And Mr. Smith's bread is great. And Wednesdays?

Mary: That class is about clothes. You can learn how to make clothes.

Gina: It's fun. What class do you want to take?

Mary: Well, on Thursdays, there's one interesting class. I can learn how to make model planes.

Gina Oh, that's great. But I'm busy those days.

Mary: There is another (另一) interesting class on Friday evenings. You can learn about the stars.

Gina: It's boring. Is there a class on Saturdays?

Mary: Yes, you can learn how to take pictures.

Gina: Great! I like this class. I'll take it.

根据材料内容选择最佳答案。