808.Defensive driving is: (A) Taking reasonable and prudent action to prevent an accident before it occurs. (B)Excellent driving technique. (C) Good lifestyle habits.

811.While driving at night, if the light projected on the road ahead disappears, it may indicate a broken road,collapsed bridge, or road surface collapse. For safety: (A) Stop and check before proceeding. (B)Continue without concern. (C) Turn off headlights to avoid reflections.