If the Par Value of a Bond Is $200,and the Bid

If the par value of a bond is $200,and the bid price of the bond is $90,it implies:

A) the bond is sold at $110.
B) the bond was bought at $110.
C) the bond is trading at a discount of 10 percent of its par value.
D) the bond is trading at 45 percent of its par value.
E) the bond is trading at a premium of 15 percent.