What Is One of the Main Reasons Why Managers Are

What is one of the main reasons why managers are making shareholder interests paramount?

A) To conform to changes in securities legislation.
B) To attract shareholder funds in a highly competitive environment.
C) Because of pressures from non-governmental regulatory agencies such as the Canadian Securities Commission.
D) Because of activism from pressure groups composed of large numbers of small individual investors.
E) Because managers' interests almost always coincide with those of shareholders.