49. Which of the following words is the closest in meaning to “cog” in the first paragraph?
(A) An action follower.
(B) A plan organizer.
(C) A machine maintainer.
(D) A project sponsor.
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統計: A(33), B(8), C(12), D(6), E(0) #2689215
統計: A(33), B(8), C(12), D(6), E(0) #2689215