What is the Original Name of Muʿtaṣim bi’llāh...? Mcqs

What is the Original Name of Muʿtaṣim bi’llāh...?

(A) Abu Ayub ibn Rashid

(B) Abū Isḥāq Muḥammad ibn Hārūn al-Rashīd

(C) Abu Sufyan ibn Daud

(D) Abu Ansar ibn Usman

Source: This question is taken from the Islamiat MCQs