E-books are demonstrated as the version of the book that is published in an electronic form. These books are made available in different file formats via an electronic or digital platform through an electronic gadget like a tablet, mobile phone, computer, etc.
As per the question, Florida's purpose(need of a copy of Romeo and Juliet for her class) could best be served by 'an e-book' as it would assist her to avail the book in different file formats digitally. she can choose from them as per her need and therefore, she would not require to go to the market or wait for delivery. Thus, <u>option B</u> is the correct answer.
Basically, the quote means that this lady has lived a long, tired, and hardworking life. Her soul is at rest because she is satisfied with the life that she lives.