Policymaker Wants to Reduce Inflation

policymaker wants to reduce inflation. In order to make anintelligent decision about how to do so, the policymaker:

A) should use a simple rule: once inflation is gone, it will always be gone.
B) needs to know the causes of inflation, such as the government's printing too much money.
C) should find out if people are really better off as a result of the inflation.
D) should realize that inflation can be reduced without any costs.