A、<p><span style="font-size:14px;font-family:宋体">有效市场</span></p>
B、<p><span style="font-size:14px;font-family:宋体">半强有效市场</span></p>
C、<p><span style="font-size:14px;font-family:宋体">强有效市场</span></p>
D、<p><span style="font-size:14px;font-family:宋体">弱有效市场</span></p>