Given the exponential growth of scientific knowledge,
medicine is far less ——- unsubstantiated fads than
it used to be; its record of folly, however, remains
an undeniable ——-.
(A) suspicious of . . qualification
(B) averse to . . encumbrance
(C) vulnerable to . . embarrassment
(D) dependent on . . impossibility
(E) ignorant of . . oversight
What is scientific knowledge?