Answer:
(c) Foreign exchange option
Step-by-step explanation:
Derivatives refer to those securities whose value is derived from the underlying asset. Examples being currency derivatives, commodity derivatives, etc.
Foreign exchange option refers to a derivative instrument whereby the holder has the right but not the obligation to buy or sell a currency at a future date at a predetermined rate fixed today.
In a call option, the holder has the right but not the obligation to buy a currency while in a put option the holder has the right but not the obligation to sell a currency.
The predetermined price at which the holder can buy or sell a currency is referred to as the strike price or exercise price.