题目内容：
根据下列文章,请回答题。Rhythm and blues, or R&B, is a _____ 26of music that came out of the jazz, blues and gospel music that was being _____ 27by African Americans _____ 28the 1930s and 1940s. Over the years,the term has commonly been used to describe _____ _____29popular music this community was played at the time. This more upbeat, exciting type of music caught on _____ 30a big way, and for the first time, African Americans _____ 31their own style of commercial music.In the late 1930s, many big bands broke up _____ 32smaller units and formed "jump blues" bands_____33played loud music with a strong dance beat, quickly 34popular in the dance halls at the time.
Early R&B _____ 35were those of Count Basic, Louis Jordan and Lionel Hampton. Basie had a hit in 1937 with One O'clock Jump, _____36Jordan had a string of hits from the late 1930s through the 1940s. By the mid 1940s, R.M. Blues by Roy Milton and The Honey dripper by Joe Liggin each_____37one million copies.
The new music style _____38to evolve and was gaining_____39rapidly. In Annapolis, more than 50,000 people_____40up to a concert with seating for 8,000. There was a traffic _____ 41for seven hours.
Rhythm and blues has come a long way42American African musicians of the mid 20th century developed their own style of43music based on some more conservative styles at the time. R&B had huge success in the 1950s and 1960s before making an even44 comeback as contemporary R&B45the 1980s on. A．style
B．form
C．way
D．group
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