补全对话。

Lucy: Hi, Ann!

Ann: Hi, Lucy. What would you like?

Lucy: 1______, I don't know.

Ann: 2______ sugar and milk?

Lucy: Oh, no! I like Chinese tea without anything 3______ it.

Ann: OK, here you are.

Lucy: Thanks.

Ann: Dinner is ready now. Come and 4______ a seat. Let's 5______ dinner together.

Lucy: Mum, the pizza with peppers and onions 6______ it is delicious.

Ann: I'm happy you 7______ it. But I like the mushroom and cheese pizza better. How 8______ the salad?

Lucy: It's delicious, 9______. Do you want some apple pies?

Ann: No, thanks. I'm 10______. I eat a lot.

视觉传导通路的第二级神经元为（）。

A.双极细胞

B.节细胞

C.外侧膝状体内的神经元

D.假单极细胞

E.蜗神经核