单项选择题
A.the philosophy of "do your own thing" B.Virginia in the late 1969’s C.the ideas of psychologist B. F. Skinner D.the belief that people must live closely together
A.known B.said C.called D.written
A.looked very big B.was an opening to gold for men looking for old years ago C.was over San Francisco Bay D.all A, B, and C