单项选择题

Speaker A: I broke my ankle last Tuesday. And now I have to be on crutches for six weeks.
Speaker B: ______. If there is anything you need, don"t hesitate to let me know.

A.I"m so sorry that I can"t bear it
B.I"m sorry to hear that
C.Really, how I want it to be the opposite
D.You must be kidding