Boards of Directors Have Responded to Financial Crises,corporate Scandals,regulator Obligations,and

Boards of directors have responded to financial crises,corporate scandals,regulator obligations,and investor requests for structural changes.In looking at the 2011 Harvard Business Review study of the changes in configuration of boards since 1987,which change has been brought about by government legislation?

A) Percentage of boards that have an average age of 64 or older has increased.
B) Average pay for directors has increased.
C) Percentage of boards with 12 or fewer members has increased.
D) Percentage of the directors that are independent has increased.