28. Brenda’s performance is okay, but the ups and downs in quality make her work _____ and unreliable.
(A) illegitimate
(B) impartial
(C) inconsistent
(D) indispensable
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統計: A(60), B(56), C(408), D(179), E(0) #2772328
統計: A(60), B(56), C(408), D(179), E(0) #2772328