Buying a call option on XYZ stock and selling a put option on it, both at the same strike price is similar to:

	A.	none of the above.
	B.	taking a short futures position on the stock with futures maturity equal to option expiration.
	C.	buying a straddle on XYZ.
	D.	Taking a long futures position on the stock with futures maturity equal to option expiration.