What will I do normally is to take the next exit ramp and go back to the other side of the expressway then find the missed exit ramp where I am supposed to go.
It's called vaccine unbundling
it's commonly found in Europe and south Asia. It is very common for vaccines to be sold in a packeted form
Unbundling a vaccine can make you get a specific vaccine that you want at a lower cost
A good thing that would help is a pill organisation box that has the days of the week and the times to take the medications. Another thing is a chart to hang on the wall of the patients room with what medications to take and when.
I think the anwser is letter b
Study more and stay focus on what's in front of you