What is the meaning of the sign?

1. AStop! (mobile sign), as long as the sign is placed before you.
2. BStop for a moment and continue on your way.
3. CStop and give right of way to the traffic on the intersecting road ahead of you.
4. DGive right of way to the traffic on the intersecting road ahead of you - while road works are being carried out.

Pick an answer to test yourself