Kept (i)_____ by cloying commercial radio and clueless record executives, the British popular music scene has usually relied on cities at the edges of the cultural map to provide a much-needed shot of (ii)_____. The evanescent (iii)_____ what the next big thing is appears to come out of nowhere—as if someone blows a whistle only those in the know can hear, and suddenly record executives and journalists are crawling all over what had primarily been an blurred locale.
答案：A,D,G