问题:
[单选题]
Passage Four
At the 1893 Columbian Exposition,a World Fair held in Chicago,chocolate-making machinery made in Germany was displayed. It caught the eye of M.S. Hershey,who saw the potential for choc
A.
He was deeply impressed by the Columbian Exposition,
B.
He realized that it was possible for chocolate to become popular
C.
There was nothing to produce in his factory in Lancaster.
D.
He was interested in the chocolate machinery displayed at the fair
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