题目选项分析

After receiving numerous complaints from residents about loud, highly amplified music played at local clubs, Middletown is considering a law that would prohibit clubs located in residential areas from employing musical groups that consist of more than three people.

The likelihood that the law would be effective in reducing noise would be most seriously diminished if which of the following were true?

【选项】Groups that consist of more than three musicians are usually more expensive for clubs to hire than are groups that consist of fewer than three musicians.