The most important dialect used during the Old English period isACelticBEast MidlandCWessexDAnglo- SaxonAnswer: C. Wessex Read Explanation: During the Old English period, there were several dialects: Northumbrian, Mercian, Kentish, and West Saxon (Wessex).Among these, the West Saxon dialect (Wessex) became the most important because:It was used in literature and official documents.The Wessex kingdom was politically powerful.Works like King Alfred's translations and Beowulf were recorded in this dialect. Read more in App