In January, JB Stock Was Selling for $50 Per Share

Multiple Choice

In January, JB stock was selling for $50 per share. When the calls and the puts with a strike price of $45 expired on March 20, JB was selling at $46. Which investors made a profit?
I. the writer of the call
II. the buyer of the call
III. the writer of the put
IV. the buyer of the put

A) II and III
B) I and III
C) only III
D) II and IV