Answer:
It means very determined, like you have a goal, and you are going to complete it. Even if you mess up you keep trying over and over again.
Explanation:
Hello! The most practical solution would be to build pedestrian-friendly walkways.
First, you can eliminate C (increasing taxes) because it would mean less people would be able to afford medical treatment or visiting a doctor.
Now, we can eliminate choice A. Purchasing a bicycle for each household would not be practical because it would be costly and increase taxes. Plus, the money could be going to more beneficial uses.
At first, D sounds reasonable, however, not only would it would increase taxes, it wouldn't be practical because many senior citizens have joint problems and the intense exercise equipment found at gyms would not best suit them.
Hope this helps! :)
D. Nicotine is frequently even MORE addictive than the others.