Final answer:
To determine if you are in another driver's blind spot, you should check side mirrors, use blind spot mirrors, and turn your head to check—d. All of the above. Always perform a shoulder check before lane changes.
Step-by-step explanation:
The question about determining if you are in another driver's blind spot involves actions such as checking side mirrors, using blind spot mirrors, and turning your head to check. Therefore, d. All of the above is the correct answer. It is essential to be aware of a car's blind spots when driving, as these are areas where another vehicle might not be visible in the mirrors. Always be sure to perform a shoulder check by turning your head in the direction of the blind spot to visually confirm there are no vehicles present before changing lanes or maneuvering.