Which of the following statements would best serve as an introduction to the passage
A． It is easy to see why the confusion of skepticism with relativism, or of justification with truth, is rationally so debilitating.
B． The presumption that genuine truth is possible without a measure of justification is a most mischievous error.
C． If scientists would stop lauding scientific rationality in the face of reason, irrationalism would be less popular.
D． Scientific hypotheses are not untrustworthy or unreliable except in the sense of being sometimes false.
E． Faced with their detractors, scientists characteristically retort that science, unlike witchcraft, works.