A、<span style="font-size:16px;font-family: 'Times New Roman'">Q<sub>A</sub> </span><span style="font-size:16px;font-family:宋体">></span><span style="font-size:16px;font-family:'Times New Roman'"> Q<sub>B</sub> </span>
B、<span style="font-size:16px;font-family: 'Times New Roman'">Q<sub>A</sub> = Q<sub>B</sub> </span>
C、<span style="font-size:16px;font-family: 'Times New Roman'">Q<sub>A</sub> </span><span style="font-size:16px;font-family:宋体"><</span><span style="font-size:16px;font-family:'Times New Roman'"> Q<sub>B</sub></span>
D、<span style="font-size:16px;font-family:宋体">不能确定大小</span>