选出合适的句子补全对话。

A. Three. B. Oh, they're pandas. C. This tiger is big. That tiger is small. D. Yes, and they're fat. E. They're very big and very tall.

Lucy: Linda, look at these animals(动物).

Linda:

They're black and white.

Lucy:

Linda: Look! Two tigers.

Lucy:

Linda: How many monkeys are there?

Lucy:

Linda: Look! They're elephants.

Lucy: