A、<p><span style="font-size:14px;font-family:宋体">提高</span></p>
B、<p><span style="font-size:14px;font-family:宋体">下降</span></p>
C、<p><span style="font-size:14px;font-family:宋体">无影响</span></p>
D、<p><span style="font-size:14px;font-family:宋体">有影响，既不提高，也不下降</span></p>