在余留牙条件正常的情况下,设计双端固定桥,下列哪一种选择是不正确的
A <img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0.gif">缺失,<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_1.gif">为基牙 B
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_2.gif">缺失,<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_3.gif">为基牙 C
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_4.gif">缺失,<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_5.gif">为基牙 D
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_6.gif">缺失,<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_7.gif">为基牙 E
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_8.gif">缺失,<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12257761_0_9.gif">为基牙