How Does Ratification of International Agreements Occur in the U

How does ratification of international agreements occur in the U.S.?

A) Through the advice and consent of two-thirds of the Senate after the president submits the agreement for consideration.
B) Through the advice and consent of two-thirds of the House of Representatives after the president submits the agreement for consideration.
C) Through the advice and consent of two-thirds of the Senate and two-thirds of the House of Representatives after the president submits the agreement for consideration.
D) Through consent of the president.
E) Through the consent of the president and the approval of at least half the individual state legislatures.