To ensure the authenticity of the compiled text of the Holy Qur’ān, extracts written on various materials were cross-checked with texts
-
A.
written by the Prophet (S.A.W) himself -
B.
recalled from memory by early memorizers -
C.
delivered by angel Jirīl to the Prophet (S.A.W) -
D.
written by Zayd bin Thābit