患者，女，12岁，恒牙<img src="/Image1/1a/1a01014264268adab182c557e50bda1e.jpg" />，基本中性<img src="/Image1/1a/1a01014264268adab182c557e50bda1e.jpg" />，上前牙Ⅲ拥挤，上颌<img src="/Image1/69/69163f19c2ef228f54f745d767e4dce4.jpg" />与下颌<img src="/Image1/02/021bda0b7f0197aeab824b51b892a23f.jpg" />反<img src="/Image1/1a/1a01014264268adab182c557e50bda1e.jpg" />、间隙不足，下切牙Ⅰ°拥挤。拔牙方案是（）<br>A:拔除四个第一前磨牙<br>B:拔除<img src="/Image1/78/7821776aaf6099ed57c1d0255ca6b3ef.jpg" />和<img src="/Image1/60/6007a9561c5bbd0e5abcc140207e84d7.jpg" /><br>C:拔除<img src="/Image1/c8/c813b6526eac5245006473b33d735dfe.jpg" />和<img src="/Image1/91/910caf18c12942830294a06a22fc05ce.jpg" /><br>D:拔除<img src="/Image1/78/7821776aaf6099ed57c1d0255ca6b3ef.jpg" /><br>E:拔除<img src="/Image1/95/952824c2ffd97e05bb6c90d1db8a7c7a.jpg" />