What is the most important reason to know basic first aid?

a. It is the best way to treat minor cuts and bruises

b. It reduces the number of accidents in a workplace

c. It is company policy in many workplaces

d. It allows emergencies to be treated swiftly

I think the correct answer from the choices listed above is option D. The most important reason to know basic first aid is that it allows emergencies to be treated swiftly. This is because the things that should be done immediately when accidents happen are done and further accidents or complications are prevented.