问题
单项选择题
When the dispute over duty payment arises between the duty payer and the Customs, the duty payer should first pay the duty and then, within ______ of the issuance of the duty memo, apply to the Customs in writing for a reconsideration of the case.
A．10 days
B．20 days
C．30 days
D．one year
答案
参考答案：C