问题详情

There are thirty sentences in this section. Beneath, each sentence there are four words or phrases marked[A], [B],[C] and [D]. Choose one word or phrase that best completes the sentence. Mark your answers on. Answer Sheet Two.
The manager of the hotel requests that their guests_____________ after 11:00 p.m.
[A] not to play loud music
[B] shouldn"t play loud music
[C] don"t play loud music
[D] couldn"t play loud music请帮忙给出正确答案和分析，谢谢！