A scientist who wishes to devise a meaningful theory must

.A scientist who wishes to devise a meaningful theory must take into account the concept of falsification. That is, he must phrase his ideas in such a way that at least one possible outcome of experimentation would, if observed, disprove the theory. An example of failure to meet this criterion would be the scientist ----

Which of the following best completes the passage above?

a.Whose theory is consistent with all currently known facts about its subject.
b.Who fails to engage in experimentation to explore the correspondence between his theory and reality
c.Whose theory fails to predict the actual observed outcome of experimentation.
d.Whose theory identifies correlations, but no actual cause and effect mechanisms.
e.Whose theory predicts all conceivable results of testing.