—I must thank you for taking the trouble to look after my sick mother. —.A. With pleasureB

问题补充：

—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

答案：

A. With pleasure

B. It doesn’t matter

(答案→)C. It was no trouble at all

D. By all means

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