Respuesta :
The authors best additional evidence for the given excerpt is given by; Option A
What is the Authors Evidence?
An authors best evidence is simply the most reliable content of the passage that shows the true meaning of what he or she is trying to communicate.
Now, from the given passage, the best additional evidence is that;
A poll of one hundred students found that after participating in the food drive, seventy-three participants found the experience so rewarding that they sought out new volunteer opportunities.
Read more about author evidence at; https://brainly.com/question/25658352
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