Concept:For the Eid prayer, including Idul-fitr, the usual call to prayer is not prescribed.Explanation:The Eid prayer is a special congregational prayer.Unlike the five daily prayers, it has no Adhan and no Iqamah before it.The Prophet taught that for Eid prayers, Muslims should pray without these calls.Therefore, the correct choice is the one that states neither is used.Answer:A. neither Adha nor Iqmah