Identify the one false statement about a currency options :

$($A$)$ Currency options represent an arbitrage opportunity if the premium is

zero $.$

$($B$)$ In efficient market, the premium of an option must be positive $.$

$($C$)$ The option premium can never be negative $.$

$($D$)$ Option payoffs are not symmetric

$($E$)$ Combining a short put and a long call replicates the payoff of a

forward sale $.$