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

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~!

Answerworking theory