Answer
(A) Credit Risk
Explanation
Credit risk is the risk that the borrower of funds may default on the payments of the funds borrowed.
Systematic Risk which is also known as the ''market risk'' or the ''unverifiable risk'' is the risk related to the entire market or a amrket segment.
Inflation risk also know as ''purchasing power risk'' is the risk that future cash flows would lose there real value due to changes in purchasing power due to inflation.
Horizon risk means that your investments maturity may be shortened due to an unforeseen event. This might force you to sell your expected longterm investments.