Final answer:
Congress is comprised of two chambers, the House of Representatives and the Senate, which make up a bicameral legislature.
Step-by-step explanation:
The correct answer to the question is a. Bicameral. Congress is comprised of two chambers, the House of Representatives and the Senate, which make up a bicameral legislature. This means that the legislative body is divided into two separate chambers that must work together to make laws and pass legislation.
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