What Did Milton Friedman Mean by Saying That "Inflation Is

Multiple Choice

What did Milton Friedman mean by saying that "inflation is always and everywhere a monetary phenomenon"?

A) Inflation only affects those who hold money,as savings or in the form of investments.
B) Inflation is due to cash transactions,not transactions based on credit.
C) In any economy that uses money as a medium of exchange,there will always be some inflation.
D) Inflation is about rising prices,not about rising productivity.
E) Inflation is caused by an increase in the money supply relative to the quantity of goods and services.