Correct answer
Routes C and D.
C and D. Sign R-303 prohibits a left turn and also a U-turn. It does not itself prohibit going straight ahead or turning right, although other signs or rules may affect those manoeuvres. Do not confuse a change of direction with reversing the direction of travel.
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Only route C.
Only route D.
Routes C and D.
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Sign R-303: no left turn
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