Which of the Following Is Correct with Regard to Hedge

Which of the following is correct with regard to hedge funds?

A) Historically,they have been bought only by conservative investors who don't have a lot of money to invest.
B) Hedge funds avoid risky practices like short-selling and leveraging.
C) Hedge funds are not as closely regulated as mutual funds.
D) Management fees in hedge funds are much lower than for mutual funds.
E) All of these.