Concept:Salat al-Istikhara is the special prayer performed to seek Allah’s divine guidance.Explanation:Muslims offer Salat al-Istikhara when they have to make an important decision.In this prayer, the believer asks Allah to guide them toward the best choice.Tahajjud is the voluntary night prayer.Tarawih is the special prayer offered during the nights of Ramadan.Istisqa is the prayer for rain.Since the question refers to seeking divine guidance, the required prayer is Istikhara.Answer:D. Istikhara