Which of the following is equivalent to a short position in a European put option? O A short position in a cash-or-nothing put option plus a long position in an asset-or-nothing put option O A long position in an asset-or-nothing call option plus a short position in a cash-or-nothing call option O Along position in an asset-or-nothing put option plus a long position in a cash-or-nothing put option O A long position in an asset-or-nothing call option plus a long position in a cash-or-nothing call option