10. Which sentence from the article shows a shift from its positive tone?
10 points
A. During the 1960's, young Americans on and off campuses challenged conventional lifestyles and institutions.
B In 1961, John Kennedy coupled his presidential oath of office with an announcement that the torch of American idealism had been passed to a new generation.
C We tend to equate the idealism of the 1960s with the student movements and the counterculture that offered the most dramatic challenges to American policies and conventions.
D Critics argue that the era created the welfare state, bred a culture of immorality and self-indulgence, and bequeathed to America's taxpayers an enormous burden.