某女性患者,50岁,缺失,口腔余牙均健康。关系正常。预行固定义齿修复,正确的设计是
A 以<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273466_0_1.gif">为基牙的复合固定义齿修复 B
以<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273466_0_2.gif">为基牙的复合固定义齿修复 C
以<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273466_0_3.gif">为基牙的复合固定义齿修复 D
以<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273466_0_4.gif">为基牙的复合固定义齿修复 E
以上设计均不适合