Final answer:
Members of Congress care about their committee assignments for reasons such as gaining influence, focusing on their constituents, and potentially making more money. Correct option is A.
Step-by-step explanation:
Members of Congress care about the committee they are assigned to by leadership because it provides them with opportunities to gain influence and power, focus on their constituency's needs, and potentially make more money.
By serving on a committee related to their areas of expertise or interest, members can have a significant impact on policy decisions and legislation. They can also use their positions to secure funding and resources for their districts, which can benefit both their constituents and themselves politically.