why is Article II section 2 of the US consitiution important?

A) it explains the requirements, powers, and responsibilities of the Executive Branch

B) this article outlines the duties of the supreme court and designates how they provide checks on Congress

C) it defines the rights that we the people have to ensure that they are protected by the government

D) it outlines how member's of Congress are elected and the rule that Congress must follow when in session​