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What is the author's main purpose in writing the passage?
A．To give advice on life to disabled people.
B．To show how difficult life is for disabled people.
C．To share his experience of treating a disadvantage with gratitude.
D．To show the convenience a hearing aid could bring.
解析：选C 写作意图题。根据对全文的整体理解可知，本文主要讲述了作者积极面对自己的听力障碍的励志故事，故选C。