Which of the following is valid under the $2017$ Ky$.$ "Right $-$ to $-$ Work" law $?$

Group of answer choices

A$.)$Workers can not form a union for the purposes of collective bargaining.

B$.)$Workers$,$ as a condition of employment, cannot be required to join or remain in a union or pay union dues or fees.

C$.)$Workers $,$ as a condition of employment, cannot be required to join a union, but can be required to pay union dues.

D$.)$Workers$,$ as a condition of employment, cannot be required to join a union $,$ but can be required to pay dues or fees to cover the cost on a union's operations.