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

问题补充：

- My mother is ill in hospital.

——.

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

答案：

解析：在英语的习惯表达中，当听到别人不幸的事情时，应该表示难过，并说I am sorry to hear 。that.A.Thats OK.“没关系”；B.All right “好的”。所以本题选C.