The correct option is A Allowed to practice their religion but had restricted political rights
Under the Ottoman Empire, non-Muslims were (A) permitted to practice, but had lesser political rights: for instance, they were subject to special taxes. Non-Muslims were not (B) persecuted into conversion-the empire maintained large Christian and Jewish populations throughout its existence- but they were also not (D) permitted total equality regardless of religion. There was no plan to (C) forcibly remove non-Muslims for expansion purposes-the Armenian genocide was not primarily a land grab-nor were non-Muslims permitted religious equality as a result of military service (E) ; Mamluks were actually kidnapped non-Muslims, usually from outside the empire proper, raised as soldiers with loyalty only to the Sultan, and usually wound up converting to Islam because of their removal from their original faiths and large exposure to Islam.