Correct option is A
Transvestism refers to the practice of cross-dressing for sexual arousal. It is a paraphilic behavior where individuals derive sexual pleasure from wearing clothes of the opposite gender. Frotteurism, bestiality, and sodomy involve other forms of sexual behaviors, but not cross-dressing.
Explanation of options: (a) ✔ Transvestism – Recurrent sexual arousal from cross-dressing. (b) ✘ Frotteurism – Sexual arousal from touching or rubbing against non-consenting persons. (c) ✘ Bestiality – Sexual contact with animals, a different type of paraphilia. (d) ✘ Sodomy – Refers to non-procreative sexual acts, often involving anal penetration.