In the Working Relationship of a Boss,B,and a Worker,W,which of the Following

In the working relationship of a boss,B,and a worker,W,which of the following is NOT necessarily true?

A) W accepts authority when his behavior is determined by B's decisions.
B) B has formal authority if he has the right to veto a proposal and implement his own plans.
C) B has real authority if he has the right to fire W.
D) W enters into an employment contract with B when W agrees to accept the authority of B and B agrees to pay W a stated wage.
E) W can choose whether or not to accept an employment contract.