68. The biologist's groundbreaking theory introduced a new ______ in evolutionary research, yet conservative scholars were reluctant to abandon traditional methodologies.
(A)anomaly
(B)paradigm
(C)conjecture
(D)dichotomy
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統計: A(0), B(19), C(3), D(1), E(0) #3927352
統計: A(0), B(19), C(3), D(1), E(0) #3927352