----I can’t thank you more for the present you sent me the other day.

----____________.

A．With pleasure

B．No, thanks

C．Please don’t say so

D．You are welcome

The Customs shall reply in writing within ______ from the date of receipt of the application for the refund of the duty paid and notify the applicant of its decision.

A．one month

B．two months

C．three months

D．six months