Justin owns 400 shares of ORNG stock which he bought 10 months ago at $20 per share and has now risen to $35 per share. He is afraid the stock price will fall before he has owned it for a full year, but wants to postpone realizing profits on the stock for several months, when it will become a long-term rather than short-term gain. He can protect his profit and avoid the short-term capital gains rate by

1. a.	writing covered calls.
   	b.	writing puts.
   	c.	buying puts.
   	d.	buying calls.