从所给的句子中选出合适的完成对话

A. It rises. B. It goes down. C. It is short. D. It's long. E. Nice to see you.

A: Hi, John.

B: Nice to see you.

A: How is the shadow in the morning?

B:

A: How is the shadow in the noon?

B:

A: How does the sun in the morning?

B:

A: How does the sun in the evening?

B: