(B)   Since the 70s, electronic music has had a great influence on pop music. Popular as it is, however, this musical genre is still   17     underground.  18    , it is generally thought to be outside the mainstream.   19     this, a festival called the Oasis Festival   20     every year in Marrakesh, Morocco, in celebration of this unique musical style. This festival     21   more   21     a small, personal gathering with friends than a big international music event. Last year, it took place at a luxury hotel. When tired of watching or dancing, participants could go swimming without missing any of their favorite songs, for the pool   22   close to the open-air concert arena. Those who wanted a break from the music could go to yoga classes or get a temporary henna tattoo. After all, the Oasis Festival aims to provide fans with a chance to enjoy the music in a fun, relaxed atmosphere.
【題組】17
(A)viewed
(B) taken
(C)regarded
(D) considered