A、<span style="font-size:16px;font-family:楷体_GB2312">∞</span> <span style="font-size:16px;font-family:楷体_GB2312">,∞</span>
B、<span style="font-size:16px;font-family:楷体_GB2312">∞</span> <span style="font-size:16px;font-family:楷体_GB2312">,</span><span style="font-size:16px;font-family:'Times New Roman','serif'">0 </span>
C、<span style="font-size:16px;font-family:'Times New Roman','serif'">0</span><span style="font-size:16px;font-family:楷体_GB2312">,</span> <span style="font-size:16px;font-family:楷体_GB2312">∞</span>
D、<span style="font-size:16px;font-family:'Times New Roman','serif'">0</span><span style="font-size:16px;font-family:楷体_GB2312">,</span><span style="font-size:16px;font-family:'Times New Roman','serif'">0</span>
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