患者男性，56岁，缺失，可摘局部义齿修复，基牙为，弯制支架，常规取模，模型观测后填倒凹

弯制支架的原则中错误的是（）

A.不要损伤模型

B.支架各部分要与模型紧密贴合

C.严格按照支架的设计来制作

D.钢丝不宜反复弯制

E.选用合适的器械

It was quite a job for her to _____ several children all by herself during the war.[ ]

A. dress up    

B. bring up

C. break up

D. add up