单选题 Ford proposed a system ______ each worker would have a special job to do.
A. that B. which C. in which D. at which

【正确答案】 C

【答案解析】[解析] 句法结构题。本句的意思是：福特建议应该建立一个人人都有事情做的就业体系。定语从句题：对先行词system来说，应由in which引导。