A、<span style="font-size:16px;font-family: 宋体;color:#2E2E2E">1/3</span>
B、<span style="font-size:16px;font-family: 宋体;color:#2E2E2E">2/3</span>
C、<span style="font-size:16px;font-family: 宋体;color:#2E2E2E">3/4</span>
D、<span style="font-size:16px;font-family: 宋体;color:#2E2E2E">1/4</span>