If your working thesis is “Volunteering with community centers provides no benefit to young adults,” but your research shows tha
t, in fact, there are many benefits to youth volunteerism, how could the thesis statement be revised to reflect the research? Volunteering at community centers provides a number of benefits to young adults, the most important of which is increased self-esteem.
Young adults should volunteer at community centers.
Young adults should volunteer at community centers for a number of reasons.
After researching for the working thesis, the conclusion showing a <em>different</em> result from the original idea of "Volunteering...provides <em>no</em> benefit to young adults," the thesis statement should be revised to <em>express the new</em> <em>information</em>, reflecting the research, which is "Volunteering...provides a <em>number of benefits</em> to young adults...<em>increased self-steem</em>."
A follows the structure of a thesis closely and correctly, while B (which doesn't provide what you're testing for) and C (which is rather vague) do not. D is not the opposite of the original thesis.