To Show How to Calculate the Hedge Ratio, We Use

To show how to calculate the hedge ratio, we use notation that includes the following: ________.

A) S = current asset price and C = current price of a call option.
B) Cd = intrinsic value of the call option if the asset price goes up and E = strike price of the call option.
C) d = current price of a call option and r = a risk-free one-period interest rate .
D) E = strike price of the call option and u = current asset price.