What does this traffic light mean?

1. A.Traffic must stop at the traffic light.
2. B.Give way to any oncoming traffic turning right.
3. C.Traffic may proceed if the way is clear.
4. D.Traffic may proceed but not turn right.

This is an official-style question from the Legal Matters & Rules of the Road topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.