Final answer:
A large vehicle has blind spots directly in front, behind, and on either side of the vehicle due to the design of the vehicle.
Step-by-step explanation:
The correct answer is d. Directly in front, behind and on either side of the vehicle.
Blind spots are areas around a vehicle that the driver cannot see using the side and rearview mirrors. These blind spots are caused by the vehicle's design, such as window pillars and cargo, and can obstruct the driver's view of other vehicles or objects.
It is essential for drivers to be aware of these blind spots and take extra caution when changing lanes or making turns to avoid potential accidents.