我们已经讨论了所有的方案，现在只剩下一个问题了。
当时争论的问题仅仅是该不该在湖底铺膜。[{'character': '当', 'pinyin': 'dang1', 'highest pitch': 10.44, 'lowest pitch': 9.43, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 9.37, 'lowest pitch': 7.96, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '争', 'pinyin': 'zheng1', 'highest pitch': 10.89, 'lowest pitch': 7.96, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '论', 'pinyin': 'luen4', 'highest pitch': 11.46, 'lowest pitch': 9.6, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 9.69, 'lowest pitch': 8.02, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '问', 'pinyin': 'uen4', 'highest pitch': 8.55, 'lowest pitch': 7.36, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '题', 'pinyin': 'ti2', 'highest pitch': 10.58, 'lowest pitch': 5.91, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '仅', 'pinyin': 'jin2', 'highest pitch': 7.92, 'lowest pitch': 6.99, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '仅', 'pinyin': 'jin3', 'highest pitch': 8.11, 'lowest pitch': 5.39, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 6.95, 'lowest pitch': 6.35, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '该', 'pinyin': 'gai1', 'highest pitch': 10.27, 'lowest pitch': 9.08, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 9.91, 'lowest pitch': 7.72, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '该', 'pinyin': 'gai1', 'highest pitch': 10.27, 'lowest pitch': 8.07, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.9, 'lowest pitch': 7.45, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '湖', 'pinyin': 'hu2', 'highest pitch': 9.17, 'lowest pitch': 7.38, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '底', 'pinyin': 'di3', 'highest pitch': 9.03, 'lowest pitch': 5.4, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '铺', 'pinyin': 'pu1', 'highest pitch': 9.93, 'lowest pitch': 9.71, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '膜', 'pinyin': 'mo2', 'highest pitch': 9.71, 'lowest pitch': 5.84, 'duration': 0.39, 'prosody hierarchy': '#4'}]