— You seem to know much about the city. 

— That's true. I _____ it three times. [ ]

A. visited

B. had visited

C. have visited

D. will visit

我国某出口企业向美国出口一批商品，合同金额为500万美元。合同签订后，根据外汇专业机构预测，由于恐怖主义威胁以及伊拉克战争的拖累，小布什政府预算赤字增加，美元将在近期出现较大幅度贬值。美元的预期贬值也将波及国内外汇市场。作为该企业的经理，你准备怎么办？