The argument isn’t concerned with which economic system is fairest. It’s concerned with whether the salaries athletes receive are fair.

This doesn’t discuss fairness, so it can’t be right. The argument’s conclusion is about fairness, yet the premises never discuss fairness. The correct answer must bridge this gap.

This doesn’t discuss fairness, so it can’t be right. The argument’s conclusion is about fairness, yet the premises never discuss fairness. The correct answer must bridge this gap.

According to the premises, we know that team owners are willing to pay professional athletes high salaries. If (D) is true, we can infer that the high salaries professional athletes receive are fair, which is the argument’s conclusion.

The correct answer choice must prove that the salaries professional athletes receive are fair, yet (E) only tells us about what’s true “if” the salaries professional athletes receive are fair.