47. What is the passage mainly about?
(A) Background of the political chaos in the U. S. and ways to solve the problem
(B) The importance of finding ways to solve the worsening U. S. higher education system
(C) The parties that were responsible for skyrocketing higher education tuition
(D) Reasons why Americans cherished higher education system
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統計: A(121), B(759), C(204), D(121), E(0) #312785
統計: A(121), B(759), C(204), D(121), E(0) #312785