问题:[单项选择题]
[单项选择题] In case Customs duties are short-levied or not levied on import or export, the Customs may, within ______ after the date of payment of Customs duties or the date of release of the goods, recover the amount of Customs duties short-levied or not lev
A.sixmonths
B.oneyear
C.twoyears
D.fouryears