Which of the Following Is Correct About LIBOR

Which of the following is correct about LIBOR?

A) There is no possible way that bankers can manipulate the LIBOR setting.
B) LIBOR is the second most important interest rate in the world, after the prime rate of the U.S.
C) Every morning the British Bankers' Association averages the submitted interest rates from a group of large London banks.
D) LIBOR is the most active and most watched stock in London Stock Exchange.