Final answer:
To make a protected left turn, a driver should encounter a flashing yellow arrow signal. This signal indicates that drivers can proceed with a left turn after yielding to oncoming traffic and pedestrians. It allows for a left turn when safe, providing flexibility and improved traffic flow at intersections.
The correct option is C.
Step-by-step explanation:
In order to make a protected left turn, the correct situation would typically be when there is a green traffic signal specifically indicating the left turn.
However, in some cases, a flashing yellow arrow could also be indicative of permission to make a left turn but with caution, requiring drivers to yield to oncoming traffic and pedestrians. When a traffic signal is present, it helps to manage traffic flow and improves pedestrian safety.
A signal compels vehicles to slow down rather than speed through the intersection, contributing significantly to overall road safety.
The correct option is C.