The meaning is that if you have a negative outlook on your self or your life you can not live a positive life. A positive mindset leads to a positive life. In life you must try to make the most of things and try to be positive.
A, the rest are either adjectives, or verbs.
Is there text along with this paper, such as a book or news article?
<span>D. people should be forced to wear seatbelts because they save lives
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