Suppose you buy a call option on Caterpillar stock with a strike price of $200. Which of the following is true?

	A.	If the stock price is higher than $200, prior to expiration, you must exercise your option unless you have sold it.
	B.	If the stock price is higher than $200, prior to expiration, you can exercise your option and earn a profit.
	C.	If the stock price is lower than $200, prior to expiration, you can exercise your option and earn a profit.
	D.	Your profit will be the option premium.