The correct answer is "B".
Islam is a monotheistic religion which states that there is only one God and that the prophet Muhammad is the "messenger of God". Its origins go back to the scriptures of the "Quran" in the latter 6th century.
The "golden age" of Islam came during the Abbasid Caliphate, from the 8th to the 13th century. Important cultural, scientific, and economic developments occurred during this time.
