Which of the Following Is Not a Key Difference Between

Which of the following is not a key difference between permanent and temporary strike replacements?

A) Permanent strike replacements are allowed in economic strikes but not in unfair labor practice strikes.
B) After the contract is settled, permanent strike replacements are allowed to keep their jobs while temporary strike replacements must be let go to make room for returning striking employees.
C) Temporary strike replacements do not become union members after a contract is settled while permanent strike replacements will have to become union members.
D) Permanent strike replacements must receive all of the benefits of the union contract during the dispute while temporary strike replacements cannot.