THE ARTICLE IS MAINLY ABOUT .A. PEOPLE WHO PLAY A BACKGROUND...

18.The article is mainly about .A. people who play a background role in creating musicB.pop stars who write the biggest hitsC.songwriting teams who combine their talentsD.instrumentalists who work as hired musiciansMark the letter A, B, C or D on your answer sheet to indicate the word that differs fromthe three in the position of primary stress in each of the following questions.