47
(A)Now executives say they are harnessing a new Web tool, called “prediction markets.”
(B)While prediction markets are getting popularized, however, an important issue remains.
(C)The results are encouraging, and companies are placing bets on the wisdom of their workers.
(D)They bet on what they think will actually happen, not what they hope will happen or what the boss wants.

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統計: A(90), B(34), C(29), D(11), E(0) #750548

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