If you're doing what I think you are... then it's
<span>A. People isolated themselves to avoid becoming ill. Everyone was paranoid.</span>
After reading the passage from "I Know Why the Caged Bird Sings", I can deduce that, Maya Angelou included the passage in order <span>to explain her viewpoint on the wonders of reading.
Thus, the answer to this question is the second option.
Hope this helps!</span>
I am pretty sure it's A. students should be able to, because it implies that there are already limitations. "should be able to" implies that they are not currently able to. thats just what seems right to me