One thing that Brahmanism has in common with the religion of Hinduism is Both religions' rituals and beliefs originate from the Vedas.
What is Brahmanism?
Brahmanism was a religion that existed in Ancient India which was based on the guidelines and teachings of the Vedas. As a result, it can be said to be one of the forerunners of Hinduism.
Hinduism, which is now the dominant religion in India, was based on Brahmanism and copied their emphasis on following the guidelines of the Vedas which is now considered a holy text in Hinduism.
In conclusion, Brahmanism and Hinduism both use the Vedas.
So (B)