Final answer:
The sunset provision maintains the law in place until Congress has an opportunity to review it and determine whether it should remain in effect. The correct option is a.
Step-by-step explanation:
The sunset provision maintains the law in place until Congress has an opportunity to review it and determine whether it should remain in effect.
This statement is true making option a correct.
An example of a law that includes a sunset provision is the USA PATRIOT Act, which was passed after the 9/11 terrorist attacks. This law included a sunset provision to allow Congress to review and potentially modify or extend its provisions.