请选择DCBA6h-b;g “ _________ ” means we shouldn’t make noise here..k1d.}*q0W-j7`
A. Keep quiet.k1d.}*q0W-j7`
B. Keep off the grass.k1d.}*q0W-j7`
C. No smoking.k1d.}*q0W-j7`
D. No parking.k1d.}*q0W-j7`