9.What does the author mean when stating thatcertain inventions made farming“capital-intensive rather than labor-intensive”(lines 23-24)?
(A) Workers had to be trained to operate the newmachines.
(B) Mechanized farming required more capitaland fewer laborers.
(C) The new inventions were not helpful for allfarming activities.
(D) Human labor could still accomplish as muchwork as the first machines.