The answer is A. Empiricism... the theory that all knowledge is derived from sense-experience. Stimulated by the rise of experimental science, it developed in the 17th and 18th centuries, expounded in particular by John Locke, George Berkeley, and David Hume
Whereas Fideism is the doctrine that knowledge depends on faith or revelation.
and rationalism is a belief or theory that opinions and actions should be based on reason and knowledge rather than on religious belief or emotional response: