18. ________, Ramanujan discovered many important mathematical principles.
(A) He was the most celebrated scientist of his day
(B) Of his day was the most celebrated scientist
(C)The most celebrated scientist of his day
(D) Being his day the most celebrated scientist
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統計: A(6), B(7), C(41), D(31), E(0) #1451026
統計: A(6), B(7), C(41), D(31), E(0) #1451026