Which of the Following Statements Is TRUE? Under a Unanimous

Which of the following statements is TRUE? Under a unanimous shareholder agreement,

A) the shareholders can agree on how directors are to vote.
B) the shareholders can assume all the powers of the directors.
C) the shareholders are prohibited from assuming only some of the powers of the directors.
D) the shareholders cannot assume the powers of the directors because the directors would be left with nothing to do.
E) the shareholders cannot assume the powers of the directors because doing so would be inconsistent with the basic division of powers in the corporation.