TOEFL Listening: TPO-TOEFL阅读TPO - 5W40OOPT14A_E7N1N$

According to paragraph 4, what happened after the government ended the practice of requiring rural people to perform labor for it? A. Rural people became more closely connected to the aristocracy. B. Rural people spent more time growing rice for profit. C. The government began to pay the laborers who grew rice for it. D. The government introduced a special tax on rice.