Which Caliph ordered the compilation of the Quran into a single volume (Mushaf) after the

A) Umar ibn Al-Khattab

B) Abu Bakr As-Siddiq

C) Uthman ibn Affan

D) Ali ibn Abi Talib

Explanation

It was during Abu Bakr's (RA) caliphate, after the suggestion of Umar (RA), that the Quran was first compiled into a single volume.