—I must thank you for taking the trouble to look after my sick mother.
— .
A. With pleasure
B. It doesn’t matter
C. It was no trouble at all
D. By all means
网友回答
A. With pleasure
B. It doesn’t matter
(答案→)C. It was no trouble at all
D. By all means
解析：可联系答.案.网客服索取。