问题：
Which of the following is NOT an essential element
答案：
A.Humor细节理解题。对应原文最后一段：……films about actors，dancers or singers have been made as sueceasful modem-style. musicals，with the music as an intrinsic part of the storyline．答案为A。intrinsic a．本身的；本质的；固有的；内在的