Answer:
D. A city can afford to make repairs on only one of its schools
Explanation:
This is the only case where the city is seen to not have enough resources within its bother to cater for its need. In the other options A ad C, the city can afford some cuts and costs while in option B it can borrow within its boundaries, but can't do any of these in option D.
You didn’t provide the question with answer choices? So maybe re upload your question!
Dr Jonas Salk developwd the vaccine to prevent polio.