Final answer:
If you miss your exit on an interstate highway, you should take the next exit. Do not make illegal or dangerous maneuvers such as U-turns or backing up on the highway.
Step-by-step explanation:
If you miss your exit on an interstate highway, the appropriate action to take is (A) Take the next exit. Making a U-turn on the interstate is illegal and dangerous, and backing up is not only illegal but extremely hazardous as well. You should continue to the next exit, safely exit the highway, and then find a way to return to your intended exit. This may involve getting back on the interstate in the opposite direction or using local roads to reach your destination.
If you miss your exit on an interstate highway, the best thing to do is to take the next exit. Attempting to make a U-turn or back up to reach your exit can be dangerous and is often illegal. Stopping and asking for help is also an option if you are unsure of where to go.