Question

Under the leadership of Mikhail Gorbachev, the doctrine of perestroika called for which of the following?

A. A central banking system under private ownership
B. Openness in communication
C. More local control and free-market practices
D. Democratic elections

Answer 1

Under the leadership of Mikhail Gorbachev, the doctrine of perestroika called for more local control and free-market practices. 
Answer is: C. More local control and free-market practices

Reason? "Perestroika" means "restructuring", it was induced to the market-like reforms for the Soviet Union. 

Good luck with your studies, I hope this helps~!