A、<p><span style="font-size:14px;font-family:'Calibri','sans-serif'">15</span></p>
B、<p><span style="font-size:14px;font-family:'Calibri','sans-serif'">5</span></p>
C、<p><span style="font-size:14px;font-family:'Calibri','sans-serif'">10</span></p>
D、<p><span style="font-size:14px;font-family:'Calibri','sans-serif'">20</span></p>