A call option on $1,000$ with a strike price of $1,250$ is equivalent to

$$ a put cotion on $1,000$ with an exercise price of $1,250$

$7$ ehll option on ef$,000$ with $3$n everelse price of $1,250$

$$ a put option on $1,250$ with an exercise price of $1\mathrm{.}000$