Since the removal of censorship in 1968, which of the following has been a major trend in British theater?
Explanation
Following the abolition of censorship, British theater experienced the growth of collaborative workshops and a spirit of cooperation among artists (A), along with a greater presence of playwrights from former colonies contributing diverse perspectives (B). However, the musical genre did not disappear (C). Therefore, the correct choice includes all except the decline of musicals.