Henry Ford’s introduction to the assembly line vastly reduced the time it look .
A. to make a car
B. for making a car
C. making a car
D. a car to make
网友回答
(答案→)A. to make a car
B. for making a car
C. making a car
D. a car to make
解析：考查短语搭配。it takes/took + 时间 ＋ to do，本句即it look the time to make a car需要花时间来制造一辆小汽车，故选A。