从方框中选择合适的句子补全对话。
A. You're welcome.
B. is this your coat?
C. Oh, yes.
D. Whose coat is this?
E. No, it isn't.
Li Shan: 1. Liu Zhaoyang, is this your coat?
Liu Zhaoyang: 2. My coat is red.
Li Shan: Kevin, 3.
Kevin: 4. It's my coat. Thank you very much.
Li Shan: 5.