Answer:
B because the excerpt states "i believe"
I need the options to answer
Tuesday to change long-held Senate rules to make it easier to pass his ... either elect more Republican Senators in 2018 or change the rules now to 51%. ... Senate and White House, could reshape America if they eliminated ... "The requirement that you need to reach across the aisle is a good thing.
The answer to your question is B: It explains the organization of the federal government.