As interest rates move up or down and the longer is a bond's term:

A) the bond's price moves in the same direction.
B) the more drastic is the movement of the bond's price in the same direction.
C) the more drastic is the movement of the bond's price in the opposite direction.
D) a and b

Interest Rates

The percentage of a sum of money charged for its use, determining the cost of borrowing or the return on savings.

Bond's Price

The market price at which a bond is currently trading. This price can fluctuate based on interest rates, the bond's credit rating, and other factors.