During the Hippie counter-culture Movement in the 1960s， thousands of Hippies， wearing flowers in their hair， flooded into（）in America？

During the Hippie counter-culture Movement in the 1960s， thousands of Hippies， wearing flowers in their hair， flooded into（）in America？
A.San Francisco
B.Seattle
C.Florida
D.Los Angeles
正确答案：San Francisco