This sign means______. 

A . Go up       B. No parking    C. Don’t touch     D. Don’t smoke.

This sign means______. 

A . Go up       B. No parking    C. Don’t touch     D. Don’t smoke.                                

This sign means______. 

A . Go up       B. No parking    C. Don’t touch     D. Don’t smoke.

 This sign means______. 

A . Go up       B. No parking    C. Don’t touch     D. Don’t smoke。