请选择DCBA4U6J1K.f)L)_/l4^)Y*_.RHow many o o-o^i- were there in the street when the accident happened?/_.n*{+f
A. policeman/_.n*{+f
B. polices/_.n*{+f
C. police/_.n*{+f
D. peoples/_.n*{+f