阿摩線上測驗
3. Sociologists had spent much of the 20th century trying to understand poverty and shifting class stratifications across the ____.
(A) spectrum.
(B) spell.
(C) senility.
(D) sophistication.
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統計： A(0), B(0), C(0), D(1), E(0) #3450149
統計： A(0), B(0), C(0), D(1), E(0) #3450149
