句子排序，完整对话。 A: Could you do me a favor?
题型：完形填空
问题：
句子排序，完整对话。
A: Could you do me a favor?
B: Of course, let’s go quickly!
C: OK. Thanks for your help.
D: Sure. What is it?
E: One of my friends suddenly broke his leg just now.
Will you help me to send him to a nearest hospital at once?