根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。

A：Good morning．

B：I hurt my knee．

A：Your right knee?

B：Yes．I can't move easily．

A：Oh? Hmm，yes，it's swollen(肿胀的)．How did you hurt it?

B：

A：I see．Well，I don't think it's serious．Let the nurse take you to the third floor(楼层) and come back with your X—ray．And then I will know if your knee is broken or not．

B：OK．I will．

(after ten minutes)

A：Let me have a look．Nothing seems to be broken．

I think all you need is some rest．

B：OK．thank you．Goodbye．

A：Goodbye．

A．I fell down the stairs(楼梯)． B．Do you have a sore back? C．What's wrong with you? D．Remember to put some ice on your knee． E．When did it start? F．But you should get an X-ray． G．Can I have a look at it?