Which does the office of the president do?

a. supports and advises the president

b. leads executive departments

c. nominates and advises the president

d. leads all branches of the military

In general terms the office of the president "A. supports and advises the president," since this is often the "cabinet" that the president has a great deal of authority selecting. 

The Correct Answer is A.

"Supports and advises the president".

Explanation:

The office of the president running the white house office, where the advisors of the president work with him to develop the administrative political strategies, advise on response to the emergencies.They also negotiate with Congress and provide a link between the White House and the other Departments, they also present the President's proposal to the American people and the outer world.