Samantha Jones, Owner and CEO of Jones Industries, Is Faced

Samantha Jones, owner and CEO of Jones Industries, is faced with the task of thwarting the formation of a union by her employees. In brainstorming about how to respond, Samantha thinks a straightforward attack on the union would be ideal and threatens to fire anyone who is caught discussing the union. In this situation:

A) Samantha's act would be considered a fair labor practice under the revised National Labor Relations Act.
B) Samantha is not liable for an unfair labor practice because she only made a threat and didn't actually fire anyone.
C) Samantha act would be regarded as an unfair labor practice under the Employee Free Choice Act.
D) Samantha's act would amount to an unfair labor practice because it interfered with the employees' legal rights of forming a labor union.