Although Dieter Is Employed in a "Union Shop" Workplace, He

Although Dieter is employed in a "union shop" workplace, he disagrees with the concept of unions in general, and he does not like his own union leaders in particular. He feels that it is contrary to his personal freedom that he must remain a member of the union. What are Dieter's options?

A) find another job at a non- unionized workplace
B) no choice but to remain in the union
C) pay his union dues to a charity instead
D) continue to pay union dues but cease to be a union "member"
E) none of the above