Who put diacritical marks for the first time in Quran-e-Pak?

A. Imam Malik R.A
B. Imam Shafi R.A
C. Hazart Abu al-Aswad al-Du’ali RA
D. All of these

Explanation:

According to tradition, the first to commission a system of harakat was Ali who appointed Abu al-Aswad al-Du’ali for the task. Abu al-Aswad devised a system of dots to signal the three short vowels (along with their respective allophones) of Arabic.