单项选择题
It is acknowledged that the modem musical show is America’s most original and dynamic contribution to theater. In the last quarter of a century, America has produced large (31) of musical plays that have been popular abroad (32) at home. (33) , it is very difficult to explain (34) is new or (35) American about them, for the (36) are centuries old.
Perhaps the uniqueness of America’s contribution to the (37) can best be characterized through brief descriptions of several of the most important and best-known musicals. One of these is surely Oklahoma by Richard Rogers and Oscar Hamerstein. It burst (38) popularity in 1943. Broadway audience and critics were (39) by its (40) , vitality and excitement. This "new" type of musical was (41) as kind of (42) theater in which the play, the music and lyrics, the dancing, and the scenic background were assembled not merely to provide entertainment and (43) , but to (44) in a single unifying whole to contribute to its unique feature. (45) , it meant that the songs and dances should (46) naturally out of the situations of the story and play an important part in carrying the action (47) . In Oklahoma, an American folk-dance style was organically combined with classical ballet and modem dance. It is right to say that the musical was a brilliantly integrated performance by the talented dancers and singing actors.
Oklahoma also marked a new (48) in the choice of story on which a musical is based. Writers and composers began to abandon the sentimentally picturesque or aristocratic setting (49) more realistic stories in authentic social and cultural (50) . Oklahoma was based on a "folk" whose story dealt not only with young love but also with the opening of the American West.
A. arise
B. derive
C. raise
D. originate