Which of the Following Conclusions Concerning the Cabinet's Power Is

Which of the following conclusions concerning the Cabinet's power is the most accurate?

A) The Constitution established the Cabinet as the president's main advisory body.
B) Although the Constitution calls for a Cabinet, presidents have not made it a very important body.
C) Although it has no constitutional basis, the Cabinet has become the president's main advisory body.
D) The Cabinet has rarely functioned as an important advisory body to the president.