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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】B Hip-hop dancing(街舞) is popular with many young people today． They like it because they can invent their own moves． They use this dance to show their love for life． It also shows that they feel good ...
A.
it has a history of more than 20 years
B.
it first began in the U． S．
C.
they can invent their own moves
D.
many young black people often dance it