15. Although specific concerns may determine the intent of a research project, its results are often _______.
(A) unanticipated
(B) beneficial
(C) involuntary
(D) specialized
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統計: A(0), B(0), C(1), D(0), E(0) #3355092
統計: A(0), B(0), C(1), D(0), E(0) #3355092