你为什么这样做？
于是张某掏出了身上带着的电线，将黄老太勒死。[{'character': '于', 'pinyin': 'v2', 'highest pitch': 9.39, 'lowest pitch': 7.98, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.76, 'lowest pitch': 8.34, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '张', 'pinyin': 'zhang1', 'highest pitch': 11.17, 'lowest pitch': 10.65, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '某', 'pinyin': 'mou3', 'highest pitch': 10.8, 'lowest pitch': 4.99, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '掏', 'pinyin': 'tao1', 'highest pitch': 8.98, 'lowest pitch': 7.41, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 8.76, 'lowest pitch': 7.41, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 8.58, 'lowest pitch': 7.29, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '身', 'pinyin': 'shen1', 'highest pitch': 8.9, 'lowest pitch': 8.42, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.57, 'lowest pitch': 7.73, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '带', 'pinyin': 'dai4', 'highest pitch': 9.39, 'lowest pitch': 7.77, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 7.88, 'lowest pitch': 6.23, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.29, 'lowest pitch': 5.66, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '电', 'pinyin': 'dian4', 'highest pitch': 8.66, 'lowest pitch': 7.62, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '线', 'pinyin': 'xian4', 'highest pitch': 10.23, 'lowest pitch': 6.23, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.17}, {'character': '将', 'pinyin': 'jiang1', 'highest pitch': 8.46, 'lowest pitch': 7.56, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '黄', 'pinyin': 'huang2', 'highest pitch': 10.29, 'lowest pitch': 7.45, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '老', 'pinyin': 'lao3', 'highest pitch': 10.58, 'lowest pitch': 7.08, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '太', 'pinyin': 'tai4', 'highest pitch': 8.06, 'lowest pitch': 7.44, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '勒', 'pinyin': 'lei1', 'highest pitch': 9.7, 'lowest pitch': 7.45, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '死', 'pinyin': 'sii3', 'highest pitch': 9.58, 'lowest pitch': 4.38, 'duration': 0.32, 'prosody hierarchy': '#4'}]