"c' is correct . Concerning here means 'about'
From the excerpt you posted it looks like the writer's primary purpose is to persuade the audience to share his point of view.
This can be seen in phrases like "it seems to me that the decision is easy", where he implies that he has enough knowledge to see something that the Township officials are not seeing.
Meager means scarce, in that there was not much available for them to eat. Therefore, they were starving and desperate for the next town to stock up.
Answer:
I believe it is C.
Explanation:
It's a nice opening that practically guarantees the rest of the information at hand won't waste your time and that it will include the replacement of your product.