请选择CBA)X6l)n.P.O.l'i*m:I The sign on the wall means ‘No ’, we shouldn’t here.3[9a8l0p)B,p1E)K'x6o(n5c7v)i6b,r
A. smoking; smoke3[9a8l0p)B,p1E)K'x6o(n5c7v)i6b,r
B. smoke; smoking3[9a8l0p)B,p1E)K'x6o(n5c7v)i6b,r
C. smoking; smoking3[9a8l0p)B,p1E)K'x6o(n5c7v)i6b,r