我很遗憾地通知你 你被解雇了。()

我很遗憾地通知你，你被解雇了。()

A.I regret to inform. you that you dismissed.

B.I regret to inform. you that you are dismissed.

C.I regret informing you that you are dismissed.

请帮忙给出正确答案和分析，谢谢！