66. The groundbreaking scientific discoveries _____
meticulously and validated by the academic community,
paving the way for revolutionary advancements.
(A) being scrutinized
(B) have been scrutinized
(C)have scrutinized
(D) scrutinized
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統計: A(3), B(124), C(4), D(4), E(0) #3254247
統計: A(3), B(124), C(4), D(4), E(0) #3254247