Read  the  following  passage  and mark  A,  B,  C,  or  D  to  indicate  the  correct  answer  to  each  of  the blanks.

American  folk  music  originated  with  (31)  ________  people  at  a  time  when  the  rural  population  was isolated  and  music  was  not  (32)  ________  spread  by  radio,  records,  or  music  video.  It  was  (33)  _______  by  oral traditional and is noted for its energy, humor, and emotional impact. The major source of early American folk songs was music from the British Isles, but songs from Africa as songs of the American Indians have significant part  in  its  heritage.  Later  settler  from  other  countries  also  contributed  songs.  In  the  nineteenth  century, composer Steven Foster  wrote some of the most enduringly popular of all American songs, (34) _________ soon became part of the folk tradition. Beginning in the 1930s, Woody Guthrie gained great popularity by adapting melodies and lyrics and supplying new ones as well. In the 1950s and 1960s, singer – composers such as Peter Seeger,  Bob  Dylan,  Joan  Baez  continued  this  tradition  by  urban’ folk music. Many of these songs deal (35) ________ important social issue, such as racial integration and the war in Vietnam.

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