A Call Currency Option

A call currency option:

A) obligates the holder to purchase currency or currency futures contracts at a fixed price any time before the option expires.
B) gives the holder the right to purchase currency or currency futures contracts at a fixed price any time before the option expires.
C) obligates the holder to sell currency or currency futures contracts at a fixed price any time before the option expires.
D) gives the holder the right to sell currency or currency futures contracts at a fixed price any time before the option expires.
E) None of options is correct.