50 Which of the following can be inferred from the passage?
(A) Not until recently did Tesla become widely known.
(B) Edison mocked Tesla for not being a real American.
(C) Having won the case against Marconi meant a lot to Tesla.
(D) The US government had approached Tesla for cooperation.
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統計: A(183), B(382), C(143), D(141), E(0) #3146965
統計: A(183), B(382), C(143), D(141), E(0) #3146965