A、<p><span style="font-size:14px;font-family:宋体">全球存托凭证</span></p>
B、<p><span style="font-size:14px;font-family:宋体">美国存托凭证</span></p>
C、<p><span style="font-size:14px;font-family:宋体">无担保的存托凭证</span></p>
D、<p><span style="font-size:14px;font-family:宋体">有担保的存托凭证</span></p>