Concept:The Qur'an was revealed in Arabic so that the Prophet Muhammad (SAW) could understand it directly.Explanation:Qur'an 43:3 states that the Qur'an was made an Arabic revelation.The Prophet's native language was Arabic.Therefore, the revelation in Arabic enabled him to comprehend the message clearly.It was not meant to restrict understanding to Arabs or to make Arabic popular.It was also not primarily to distinguish it from other books.Answer:A. Enable the prophet understand it.