47. How does the writer introduce the topic in the first paragraph?
(A) By telling an impossible story.
(B) By correcting a misconception.
(C) By presenting an interesting finding.
(D) By citing a quote of a famous person.
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統計: A(19), B(17), C(263), D(11), E(0) #3036975
統計: A(19), B(17), C(263), D(11), E(0) #3036975