European Currency Options Can Be Exercised ____; American Currency Options

Multiple Choice

European currency options can be exercised ____; American currency options can be exercised ____.

A) any time up to the expiration date; any time up to the expiration date
B) any time up to the expiration date; only on the expiration date
C) only on the expiration date; only on the expiration date
D) only on the expiration date; any time up to the expiration date