Which of the Following Best Distinguishes Labour Law from Employment

Which of the following best distinguishes labour law from employment law?

A) Employment law is governed by common law,whereas labour law is governed exclusively by statute.
B) Labour law is governed by common law,whereas employment law is governed exclusively by statute.
C) Employment law involves trade unions,whereas labour law does not.
D) Employment law governs collective relations amongst management,trade unions,their members,and the institutions involved in such relations.
E) "Labour law" refers to collective bargaining with unions.