Which of the Following Best Describes a "Yellow-Dog" Contract

Multiple Choice

Which of the following best describes a "yellow-dog" contract?

A) Employers agree to abide by the guidelines of the local labor unions.
B) As a condition of employment, an employee agrees not to join a union.
C) Union members agree to the agency shop form of union security.
D) As a condition of employment, an employee agrees not to picket.