SC: Pronoun Antecedent

[RaunakS798]

A recent review of pay scales indicates that CEO’s now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times in 1980.

A. that CEO’s now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times
B. that, on average, CEO’s now earn 419 times the pay of blue-collar workers, a ratio that compares to 42 times
C. that, on average, CEO’s now earn 419 times the pay of blue-collar workers, as compared to 42 times their pay, the ratio
D. CEO’s who now earn on average 419 times more pay than blue-collar workers, as compared to 42 times their pay, the ratio
E. CEO’s now earning an average of 419 times the pay of blue-collar workers, compared to the ratio of 42 times

The OA is choice B. However, shouldn't the pronoun 'their' have a possessive antecedent?

[RonPurewal]

Do not start new threads for problems that are already on the forum.

gmat-question-a-recent-review-of-pay-scales-indicates-t1889.html

Post questions on that thread. Thanks.