Answer:
B. The veto can be overridden by a two-thirds majority vote in both houses.
Explanation:
A bill is vetoed by the president when they decide not to sign it into law. But the journey of the bill doesn't always end here. The U.S. Constitution grants Congress the authority to override a veto from the president. The bill must be reapproved by the House of Representatives and the Senate with a two-thirds majority in each body in order to override the veto. In spite of the president's veto, the bill becomes law if they are successful. This is the reason the other choices are not correct:
A. The bill returns to Congress for possible override rather than being reintroduced in the House or the Senate.
C. The law is not always dismissed out of hand. It is still subject to review if Congress want to try an override.
D. It does not state that a review of the president's decision must take place within a year. Congress must take immediate steps to stop the process.