Third-person omniscient narrators are likely to be reliable because <span>they're impersonal and know everything about the story. In this type of point of view, the narrator can narrate the events from one character to another with all the needed information without causing confusion as to their interrelationship.</span>
B) The Social-conflict approach
Karl Marx who believed that religion was a source of social control through which the lower classes could be suppressed. And he wished to end this status quo and source of social inequalities so the proletariat could rise from oppression and claim rewards in this life.
The answer to the first analogy (mystery:clue :: eraser:) would be letter d. open. Mystery is to clue while eraser is to open. The answer to the second analogy (habit: custom :: extravagant: ) would be letter c. lavish.