Of the following, who will most likely gain substantially from an unanticipated increase in inflation?

A. an investor who borrows funds at an adjustable money interest rate-one that will automatically increases if the inflation rate risesa person who recently purchased

B. a large amount of thirty-year maturity bonds

Ca person who financed a house with a thirty-year fixed interest rate loan

D . a union member employed under a three-year collective bargaining agreement with fixed wages