Yes, but only if Car B drops at least 40 km/h below the speed limit
Yes
No, you cannot overtake through double white lines
Correct answer :c
You cannot cross the double white lines. [ 3. 9 Road Signs ; Part 3 Key Road Rules and Additional Safety Guidelines ; Handbook for Western Australian Road Users ]
You cannot cross the double white lines. [ 3. 9 Road Signs ; Part 3 Key Road Rules and Additional Safety Guidelines ; Handbook for Western Australian Road Users ]