D. Reading religious texts required education, and making sacrifices cost money, so wealthier people had greater access to religion.
This option highlights how the Aryan religion, particularly through the Vedas and the rituals they prescribed, created class differences. The necessity for education to read the texts and the financial resources required for sacrificial practices meant that wealthier individuals, typically from the higher varnas (or classes), had greater access to religious practices, perpetuating social and class distinctions.