Henry Ford Is Often Described as the Inventor of the Assembly

Henry Ford is often described as the inventor of the assembly line. In what way is this an inaccurate description?

A) The assembly line was invented and used in the mill clothing industry of the early nineteenth century.
B) Ford did not invent the assembly line; he improved the meatpacking industry's use of it.
C) Because human workers were part of each aspect of the production of a car, it was not really an assembly line.
D) Because machines were part of each aspect of the production of a car, it was not really an assembly line.
E) Although Ford increased automation of production, the assembly line was not really invented until after his death.