读对话，选择方框中的句子补全对话。

A. Are there any ducks B. They are horses. C. Yes, it is. D. There are ten. E. Yes, there are.

Tom: Is this your uncle's farm, Bob?

Bob:

Tom: Are there any animals on the farm?

Bob: There are so many animals on the farm.

Tom: What are these?

Bob:

Tom: How many horses are there on the farm?

Bob:

Tom: Wow! So many!

Bob: No, there aren't. But there are some chickens.

Tom: Let's go and see the chickens.