我们学校一年中白昼最短的一天是（　　）

A．春分日

B．夏至日

C．秋分日

D．冬至日

根据下面对话中的情景，在空白处填入适当的语句，使对话内容完整。

(Two girls are hanging out in a shopping mall.)

L=Laura;  A=Ann;  S=shop assistant

L: My mother's birthday is coming. What could I do for her?

A: 1______?

L: A big party? No, she likes to be quiet. She doesn't like to be noisy.

A: Oh﹒﹒﹒Look at this nice black skirt . Maybe 2______

L: Yes, I also think she will like it. Because black is her favorite color. Let's have a look.

(To the shop assistant)

L: Excuse me, 3______?

S: Eighty-five Yuan. We've got none but this one at the moment. It's the smallest size.

L: Oh. The price and the color are both all right for my mother. But it's too small for her!

    4______! Anyway, thank you.

S: 5______.