-My mother is ill in hospital.——.A:That’s OK B: All right C:Thank you D:I’m sorry to hear

问题补充：

-My mother is ill in hospital.

——.

A:That’s OK B: All right C:Thank you D:I’m sorry to hear that.

答案：

解析：听到某人生病，应抱以同情，“哦，很抱歉听到那样的消息”