It is permitted to make a left U-turn:

1. Only from the farthest left lane in which you are permitted to drive.
2. Correct answer: From a left-turn lane or from any other lane which doesn’t have a prohibiting sign.
3. From every lane that is marked with left or right-turn arrows.
4. From a left-turn lane only.

WhyYou may make a left U-turn from a left-turn lane or from any other lane, unless a sign or marking prohibits it. Not only from the far-left lane.