Concept:Jahiliyyah refers to the period of ignorance before the advent of Islam in Arabia.Explanation:During jahiliyyah, practices such as gender discrimination and the suppression of women were common.Hadith narration and Qur'anic memorisation only came after divine revelation was given to Prophet Muhammad (SAW).Angelic revelation is an act from Allah, not a human practice of the pre-Islamic era.Therefore, it is the practice completely unassociated with jahiliyyah.Answer:C. angelic revelation