The "Putting Out" Industry Was So Called Because

The "putting out" industry was so called because

A) the artisans "put out" their finished products to be sold in street stalls and small shops.
B) merchants "put out" the raw materials to be worked up by the artisans.
C) each region "put out" their own specialty.
D) it put guilds out of business.
E) merchants who were disadvantaged by the industry were said to feel "put out."