A person experiences persistent and intense sexual excitement by wearing clothes of the opposite gender. This behavior is best classified under which of the following paraphilic disorders?

Correct option is A

Transvestism is a paraphilic disorder where an individual experiences recurrent and intense sexual arousal from cross-dressing, i.e., wearing clothes typically associated with the opposite gender. It is distinct from gender identity concerns and is classified as a disorder only if it leads to distress or functional impairment.
Explanation of options: (a) ✔ Correct. Transvestism involves sexual arousal from wearing clothes of the opposite sex. (b) ✘ Incorrect. Frotteurism involves touching or rubbing against a non-consenting person, not cross-dressing. (c) ✘ Incorrect. Bestiality involves sexual activity with animals, not cross-dressing. (d) ✘ Incorrect. Sodomy refers to a type of sexual act, not related to cross-dressing.