Environmental factors is not a part of the ICF model. The correct option among all the options that are given in the question is the first option or option "A". The other three options that are given in the question, like participation, activities and persistence are all part of the ICF model. The full form of ICF is International Classification and Functioning.
Most gladiators were usually slaves. Slavers sell slaves for money and the slaves are forced into an arena to fight to their deaths.Typically, a slave gladiator goes against a super strong and powerful guy that was not a slave. The spectators would typically want the super strong and powerful guy to win.