— I am sorry to hear that your mother is ill in hospital. — . A. That’s all rightB. You do

问题补充：

— I am sorry to hear that your mother is ill in hospital.

— .

A. That’s all right

B. You don’t have to be so sorry

C. It is nothing

D. It’s very kind of you

答案：

A. That’s all right

B. You don’t have to be so sorry

C. It is nothing

(答案→)D. It’s very kind of you

解析：根据语境，第一人对其母亲表示关心，第二人应表示感谢。