Which of the Following Has Been Found of People Who

Which of the following has been found of people who take leaves of absence?

A) People who take leaves of absence are more likely to be promoted later, as many leaves of absence are educational in nature.
B) People who take leaves are less likely to be promoted and receive lower salary increases after taking a leave.
C) Those who take leaves of absence subsequently receive higher salary increases, due to perceptions they now have families for whom to provide.
D) None of the above.