Which of the Following Statements Is True

Which of the following statements is true?

A) To help combat optimistic bias when estimating a project's cash flows,companies place responsibility for analyzing an investment proposal under an independent authority from the group proposing the project.
B) Financial experts need to have a sense of what is reasonable when forecasting a potential project's profit margin and growth potential.
C) Financial analysts need to be prepared to defend their assumptions for a potential project and explain why their estimates do not agree with those offered by the project's advocates.
D) All of the above are true.
E) Only (a) and (c) are true.