A、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">C</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">3</span></sub><span style=";font-family:微软雅黑;font-size:15px">S</span>
B、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">C</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">2</span></sub><span style=";font-family:微软雅黑;font-size:15px">S</span>
C、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">C</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">3</span></sub><span style=";font-family:微软雅黑;font-size:15px">A</span>
D、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">C</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">4</span></sub><span style=";font-family:微软雅黑;font-size:15px">AF</span>