Raphael Can Only Become Sexually Aroused When He Is Wearing

Raphael can only become sexually aroused when he is wearing his wife's slip. Although she had caught him earlier wearing her slip, he had promised to stop the behaviour. Recently, his wife was cleaning house and found several of her slips beneath a cushion on the sofa. What paraphilic condition is Raphael most likely to have?

A) Exhibitionistic disorder
B) Transvestic disorder
C) Frotteuristic disorder
D) Voyeuristic disorder