Which of the Following Statements Is True of the United

Which of the following statements is true of the United States' Foreign Commerce Clause?

A) Regulation of foreign commerce by state governments is unconstitutional.
B) A state can enact a law that forbids a foreign country from doing business in that state, if that country engages in activities that are not condoned by that state.
C) Direct regulation of foreign commerce by the federal government violates the Commerce Clause.
D) State government is only permitted to regulate foreign trade indirectly.