Why don't you...?提建议 — 英语选择题

你的室友晚上放音乐，影响你准备第二天的测验；他可能没注意到音量，你也不想和他吵架。你最适合给自己提哪条建议？A. Why don't you talk to him and ask him to turn it down? B. Why don't you turn your music up? C. Why don't you stop studying for the test? D. Why don't you tell everyone that he is rude?