7. The theory presented by the scientist was very _____ as it raised many follow-up questions and made the audience eager to learn more about his special discovery.
(A) intriguing
(B) redundant
(C) obsolete
(D) mediocre
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統計: A(25), B(5), C(7), D(4), E(0) #3912458
統計: A(25), B(5), C(7), D(4), E(0) #3912458