Which of the Following Is Not Correct

Which of the following is not correct?

A) When evaluating a mutual fund, an important question to ask is this: How long has the present fund manager been managing the fund?
B) Over the years, the majority of managed mutual funds have failed to outperform the Standard & Poor's 500 stock index.
C) Managed funds may be open-end funds or closed-end funds.
D) A benchmark of a good fund manager is the ability to increase share value when the economy is good and retain that value when the economy is bad.
E) A managed fund will outperform an index fund only 60% of the time.