Final answer:
The sentence that best expresses the tone of the text is: With the help of these organizations and a lot of persistence and determination, a blind person can learn coping skills to live a happy and successful life.
Step-by-step explanation:
The sentence that best expresses the tone of the text is: With the help of these organizations and a lot of persistence and determination, a blind person can learn coping skills to live a happy and successful life. This sentence shows a positive and optimistic tone by highlighting the support and determination that can lead to a successful life despite being blind.
Learn more about Tone of the text in 'Adapting to Being Blind'