20. People ___________written texts for over a thousand years, dissecting sentences to reveal the
hidden truths beneath.
(A) have been analyzing
(B) are analyzing
(C) has analyzed
(D) is analyzing
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統計: A(216), B(9), C(36), D(0), E(0) #613869
統計: A(216), B(9), C(36), D(0), E(0) #613869