A client with a large, well-diversified common stock portfolio expresses concern about a possible market decline. However, he/she does NOT want to incur the cost of selling a portion of their holdings NOR the risk of mistiming the market. A possible strategy for him/her would be:

A. Buy an index call option.

B. Sell an index call option.

C. Buy an index put option.

D. Sell an index put option.