题目

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。A Welcome Gift Darioand his mother loved their new apartment. The living room was large enough fortheir piano. That night, the two of them 1 side by side at the piano. They played jazzmusic to celebrate their new home. The loud 2 filled the room and made them feel very happy. Thenext morning, 3, their happiness disappeared. Someonehad left a 4 under their door during the night. One oftheir neighbors had written to complain about the sound of the piano. Dario'smother哪把钥匙能开万宝箱？（先估算，再计算选择） ．