Who is known as the ‘Imam of the Imams’ in Shia Islam?

A. Ali ibn Abi Talib
B. Husayn ibn Ali
C. Imam Zain al-Abidin
D. Imam al-Baqir

Answer: Ali ibn Abi Talib


Additional Information: Ali ibn Abi Talib is considered the first Imam in Shia Islam and the 'Imam of the Imams'.