The correct option is that decreased money circulation helps in controlling inflation, as it can limit the overall demand in the economy. Inflation generally occurs when the demand for goods and services outpaces their supply, leading to price increases. By reducing the money supply, central banks (like the Reserve Bank of India) can effectively dampen consumer spending and investment, leading to a moderation of demand pressures, thus helping to stabilize or reduce prices in an inflationary environment, aligning with the monetary policy objectives outlined in economics fundamentals.