11. Since the data set was incomplete and several variables were overlooked, any conclusions drawn from the study would be inherently ______.
(A) definitive
(B) speculative
(C) conclusive
(D) empirical
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統計: A(2), B(12), C(0), D(2), E(0) #3853691
統計: A(2), B(12), C(0), D(2), E(0) #3853691