Final answer:
D) Slow down.
A person holding a 'slow' sign is indicating that the driver should D) Slow down. This is essential for the safety of all road users in areas where traffic conditions may change. Ignoring this sign could result in dangerous situations.
Step-by-step explanation:
When a person holding a 'slow' sign is present, it is a signal to drivers to reduce their speed. This instruction aims to ensure the safety of everyone on the road, including workers, pedestrians, and other motorists. It's crucial for drivers to respond appropriately to this sign to prevent accidents and allow for safe passage through the area, which may have an altered traffic pattern or a potential hazard.
The correct response to a person holding a 'slow' sign is D) Slow down. This action is in line with safety protocols for driving through areas where traffic conditions may change due to construction, road work, or other temporary events that require a reduction in vehicle speed. Ignoring such signs and maintaining or increasing speed could lead to dangerous situations and legal consequences.