In the counterculture movement in the 1960s which of the following is NOT one of the ways

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In the counterculture movement in the 1960s, which of the following is NOT one of the ways used by the youth to challenged conventional social norms?

A.Free sex

B.Drugs

C.Poems

D.Rock-and-roll music

请帮忙给出正确答案和分析,谢谢!

热搜:在公制与英制换算中,1in等于()。