This sign indicates that...
A)at this point you can make a U-turn to the right.
B)the only recommended directions are to continue straight ahead or turn right.
C)you must follow one of the directions indicated by the arrows.Correct
# Explanation
This mandatory sign (blue signs with arrows) indicates the **permitted and mandatory** directions you must follow. You must drive in one of the directions shown by the arrows; you cannot choose directions other than those indicated. It is a traffic order that you must necessarily obey.