Within the Context of Restrictive Covenants, Which of the Following

Within the context of restrictive covenants, which of the following statements is TRUE?

A) Judicial enforcement depends primarily on three factors, one of which asks whether the employer has a proprietary interest worthy of protection.
B) A non-competition clause prohibits the employee from soliciting the customers of the employer, but otherwise leaves the employee free to compete.
C) Because of the importance of freedom of contract, all restrictive covenants are presumed to be void.
D) A non-solicitation restricts an employee's ability to work for a competitor or to start a business that would compete with the employer.
E) The courts adopt the same attitude toward both non-competition clauses and non-solicitation clauses.