​In the Religious Changes Described by the Upanishads, Brahman Meant​

Multiple Choice

​In the religious changes described by the Upanishads, Brahman meant​

A) ​a monotheistic presence, later embodied by Vishnu.​
B) ​the main celestial god honored by fire sacrifices.
C) ​the process of reincarnation for not doing one's darma.
D) ​a shadowy ultimate reality with which one's individual spirit would merge.
E) ​the ritual worship maintained by the priestly caste.​