C. Some people might advise you to bring extea batteries...
a. the audience knows something the character(s) don't
In order to change this to indirect speech, this question needs to be written in the past tense with the quotation marks removed.
The correct variant is: She asked me if she could keep my dictionary until Friday.
Answer:
Books are our best friends because they inspire us to do great things in life and overcome our failures.
Explanation: