Why is the makeup of Congress important to a president's ability to exercise his or her powers?

Question $11$ options:

A$)$ It provides Congress, especially the Senate, an easier way to filibuster.

B$)$ It is easier for the president to issue executive orders if he or she has Congress's support.

C$)$ It is easier for the president to gather information from his or her Cabinet members when having Congress's support.

D$)$ It is easier to pass legislation when the president's party is in control of one or both houses of Congress.