Which of the Following Describes Alan Freed,who Made His Mark

Which of the following describes Alan Freed,who made his mark on American culture in the 1950s?

A) It was the real name of the early rock star Buddy Holly.
B) He introduced Elvis Presley to the American public on his popular television program in 1956.
C) His Cleveland radio show introduced white America to black music.
D) Freed discovered Elvis Presley's talent and gave him his first major recording contract.