Question

One of China’s main population centers and farmland areas is the __________.

a. Gobi
b. Plateau of Tibet
c. Himalayas
d. North China Plain

Answer 1

One of China’s main population centers and farmland areas is the North China Plain.

Answer 2

One of China’s main population centers and farmland areas is the "d. North China Plain" since this is where historically many crops have come from.