With Regards to the Customs Act, Which of the Following

With regards to the Customs Act, which of the following statements is true?

A) The main function of customs officials is to support Canadian businesses in developing foreign markets.
B) Export Development Canada enforces regulations regarding imports.
C) The Canadian Border Services Agency empowers customs officials to enforce regulations restricting what can be imported.
D) NAFTA and WTO regulations override any regulation as set out by the Customs Act.
E) Customs officials are empowered to enforce various regulations restricting the export of goods.