Suppose that one option is for one unit of the underlying asset. There is a call option with the hedge ratio of .50. Which one of the following is a hedged portfolio? A) 10 units of the underlying asset and 5 short call positions B) 5 units of the underlying asset and 10 short call positions C) 10 units of the underlying asset and 5 long call positions D) 5 units of the underlying asset and 10 long call positions