Where did roman gladiators square off for combat against other gladiators or against wild beasts?

a.
the colosseum

b.
the pantheon

c.
the forum

d.
the circus maximus

"The Colosseum" is the one place among the following choices given in the question that Roman gladiators squared off for combat against other gladiators or against wild beasts. The correct option among all the options that are given in the question is the first option or option "A". I hope it helps you.