Correct Response: D. According to Article I, Section 7 of the U.S. Constitution, if two-thirds of both houses of Congress vote to enact a bill following a presidential veto, the measure "shall become a law." Neither Supreme Court justices (A) nor cabinet members (C) have a direct role in the legislative process. As a member of Congress, the Speaker of the House (B) can vote to override a presidential veto, but if two-thirds of both houses do not do so as well, the bill will not become law.