The correct option is "a. The government increased spending too fast to modernize its economy."
For many years, China has been implementing a series of five-year plans for its economic development. Under the leadership of Mao Zedong, China adopted the Soviet economic model. The first Five-Year Plan was implemented in the period 1953 - 1957. In this plan, priority is given to the field, which for Mao Tse-Tung would be the basis of industrialization. A radical agrarian reform was made that organized the peasants into cooperatives, the feudal privileges were extinguished and education became obligatory.