--I’m sorry I am too busy to help you but my brother can.I’ve told him to.---.A. It does

问题补充：

--I’m sorry, I am too busy to help you, but my brother can.I’ve told him to.---.

A. It doesn matter

B. I’m so sorry to hear that

C. That’s very kind of you

D. That’s not fair

答案：

A. It doesn matter

B. I’m so sorry to hear that

C. That’s very kind of you

D. That’s not fair

解析：向人表示感谢时，常用its very kind of you.意思是：你太好了/多谢你。