How many Caliphs did the Glorious Qur'an pass through before its standardization?

A.

six

B.

four

C.

three

D.

two

Correct answer is C

Abubakar, Umar then Uthman"
As the Islamic Empire began to grow, and differing recitations were heard in far-flung areas, the Quran was recompiled for uniformity in recitation (r. 644-56). under the direction of the third caliph - Uthman ibn Affan. For this reason, the Qur'an as it exists today is also known as the Uthmanic codex.