A "foil" is a minor character whose traits contrast and therefore accentuate the traits of the main character. The lover in "The Lady, or the Tiger?" is a foil to the princess because
A. he was a commoner, while she was royalty, he was trusting, while she was distrusting and jealous.
B. they lived in the same kingdom and loved each other.
C. they both knew the lady the princess was jealous of.