Final answer:
Gun salutes correspond with the rank of the official and are part of traditional military ceremonies, not restricted to wartime and fired from artillery, not small arms.
Step-by-step explanation:
The correct statement regarding gun salutes is that B) The number of guns fired corresponds to the rank of the official. Gun salutes are a traditional ceremonial practice in the military, where the number of rounds fired is often dependent on the rank and status of the person being honored. They are not exclusive to wartime and can be used during peace to honor national events, dignitaries, or other special occasions. These salutes are typically fired from large caliber guns, such as artillery pieces, rather than small arms.