You just realized the tiniest enough on your vehicle is broken and you need to signal that you were turning left what is the correct way to do it
A. Hold your left arm out the window at a 90° angle with your hands pointing upward to the sky.
B. Hold your left arm out the window at a 90° angle with your hand pointing down.
C. Hold your left arm horizontally out the window.
D. Hold your left arm out the window pointing vertically straight up to the sky.