Concept:The first revelation of the Qur’an to Prophet Muhammad (SAW) took place during the month of Ramadan.Explanation:The Prophet (SAW) received the first revelation from Allah through Angel Jibril.This occurred on the Night of Decree, known as Laylat-ul-Qadr.Laylat-ul-Qadr falls in the last ten nights of Ramadan.Therefore, the month of the first revelation is Ramadan.Answer:D. Ramadan