What Was the Status of the Turkic Chiefs Under the Safavid

What was the status of the Turkic chiefs under the Safavid shahs?

A) Unlike the Ottomans, the Turkish cavalrymen were driven from the Safavid Empire.
B) The former Turkish warriors were replaced entirely by the indigenous Persian nobility who formed a mercenary military force.
C) Like the Ottomans, the Turkish chiefs were gradually transformed into a warrior nobility with assigned villages and peasant labor.
D) The former Turkish nomads were reduced to slavery, but still composed the foundation of the Safavid military.