33. In the fourth paragraph, the word “their” refers to______ .
(A) advocates of higher education
(B) college presidents
(C) college graduates
(D) college students’ parents
(E) college students
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統計: A(3), B(28), C(12), D(3), E(90) #923116
統計: A(3), B(28), C(12), D(3), E(90) #923116