A、<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">1,-1</span><br></p>
B、<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">0,1</span><br></p>
C、<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">0,-1</span><br></p>
D、<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">0,-2</span><br></p>
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