Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) Investors can alter the leverage choice of a firm to suit their personal tastes either by borrowing and reducing leverage or by holding bonds and adding more leverage.
B) As per MM proposition II, the cost of capital of levered equity is equal to the cost of capital of unlevered equity plus a premium that is proportional to the debt-equity ratio.
C) The MM propositions imply that the true role of a firm's financial policy is to deal with financial market imperfections such as taxes and transaction costs.
D) In practice, we will find that capital structure can have an effect on a firm's value.