The interest-rate risk of a bond is
A.
the risk related to the possibility of bankruptcy of the bond's issuer.
B.
the risk that arises from the uncertainty of the bond's return caused by changes in interest rates.
C.
the unsystematic risk caused by factors unique in the bond.
D.
the risk related to the possibility of bankruptcy of the bond's issuer and the risk that arises from the uncertainty of the bond's return caused by changes in interest rates.
E.
All of these are correct.