Which describes a sign of bias in a source?

An example of bias in a source would be like if a reporter were reporting something about his daughter or a friend of his, his opinion is biased, not neutral.

both believe in many god or polytheism

both built temples that they worshiped in both civilization's god were humanoid

both groups made religion a large portion of their lives

both believe in one religion throughout

the dead were buried with items for the afterlife

i believe your answer is d)