Q. Change the voice:
All vulnerable places are kept under constant vigil by the Policemen.

• (A) The Policemen keep all vulnerable places under constant vigil.
• (B) The. Policemen are keeping all vulnerable places under constant vigil.
• (C) The Policemen will be keeping all vulnerable places under constant vigil.
• (D) The Policemen will keep all vulnerable places under constant vigil.