78. According to the passage, the use of Antarctic krill as a food is an innovation whose
future is________.
(A) basically gloomy but still uncertain
(B) somewhat promising but very tentative
(C) generally bright and virtually assured
(D) tied to the success of opaque-2 maize
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統計: A(25), B(73), C(10), D(11), E(0) #837688
統計: A(25), B(73), C(10), D(11), E(0) #837688