15._____the early 19th century, the basic principles of medicine had barely gone beyond the theories of the ancient Greeks.
(A) Until
(B) In
(C) Beyond
(D) From
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統計: A(26), B(14), C(1), D(4), E(0) #1038473
統計: A(26), B(14), C(1), D(4), E(0) #1038473