单选题
The company may have to ______ some production procedures which, since the earliest days, have always been done by skilled craftsmen.
【正确答案】
C
【答案解析】本题需选择符合句意的动词。which... have always been done by skilled craftsmen(一直由技术精湛的技工来完成)是定语从句，修饰some production procedures(一些生产步骤)。以some production procedures为宾语，且符合句意的动词是(C)automate(使…自动化)。