A、<p><span style="font-size:14px;font-family:宋体">5%</span></p>
B、<p><span style="font-size:14px;font-family:宋体">10%</span></p>
C、<p><span style="font-size:14px;font-family:宋体">15%</span></p>
D、<p><span style="font-size:14px;font-family:宋体">20%</span></p>