Which of the Following Is Correct with Respect to Restrictive

Which of the following is correct with respect to restrictive covenants included in employment contracts?

A) For such a clause to be valid,it is only necessary to show that it was needed to protect the employer's interest.
B) Such restrictive covenants are always void and have no place in employment contracts.
C) Such restrictive covenants are enforceable in court if reasonable in that they are necessary to protect the employer's interests and go no further than necessary to achieve that goal.
D) When employers require employees to enter into such agreements long after the initial hiring,it becomes part of the initial employment contract and does not require new consideration.
E) The imposition of such a restriction is at the option of the employer and the employee has no say in the matter.