Which of the Following Is an Example of a Compensating

Which of the following is an example of a compensating wage differential?

A) Nurse anesthetists are paid less than anesthesiologists (who have medical degrees) .
B) Workers in a uranium mine receive higher wages than if they worked in other jobs that require the same level of skills.
C) In the market for lawyers, top graduates from the top programs earn starting salaries that are significantly higher than the starting salaries earned by lower-ranked graduates from the lower-ranked programs.
D) Popular movie stars like Chris Hemsworth command much higher salaries than other talented but lesser-known actors.