从所给出的句子中选出合适的完成对话

A. I can help people. B. I fly over rivers and mountains. C. I come from the sea. D. Then I go up to the sky. E. How do you go back to the sky?

Kitty meets Little Water Drop. She is talking with him.

Kitty: Where do you come from, Little Water Drop?

Little Water Drop:

Kitty: Wow. That's far from here.

Little Water Drop: You are right. I come from in a cloud.

Kitty: How funny! Now you fall down here.

Little Water Drop: The sun shines and it becomes hot.

Kitty: Do you feel happy?

Little Water Drop: Yes, I do.