Which of these statements is NOT true concerning the Great Leap Forward?
a) State-owned enterprises, factories, and services struggled to meet quotas due to lack of meaningful incentives for the workers.
b) Mao directed all the peasants of China to manufacture steel in backyard furnaces, but the metal produced was unusable.
c) When the Great Leap Forward was criticized, Mao listened and was flexible in changing plans.
d) Even though the newly collectivized farms were unable to meet their surplus goals, the state took the entire quota from each harvest for sale on the international market.