A、They danced in a group. B、They played instruments together. C、They sang rock-and-roll together. D、They sang folk song together

U.S. congressman and former entertainer Sonny Bono has died in a skiing accident at a resort in Nevada. Authorities confirmed Mr. Bono suffered head injuries and died immediately after hitting a tree. The body of the 62-year-old lawmaker was found Monday at the heavenly ski Resort at Lahe Tahol about two hours after he was reported missing.
   Mr. Bono and his former wife Cher were a popular reek-and-roll singing duo in the 1960s and 70s. Sonny arm Cher- sang the hit songs: "The Beat Goes On" ,"I Got You Babe" and they hosted a top rated variety show on television.
   Sonny Bono entered politics in the 1980s as a Conservative Republican. He served one term as mayor of Palms Springs, California before winning a seat in the U.S. Congress in 1994. Press Secretary Frank Conen said Sonny Bono made his mark on Capitol Hill. Sonny Bono died at 62.