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It was all stuff I already knew . What was n't common sense was stuff that if anyone were to spend a few minutes online researching , they should have already figured out . A lot of things they were saying I already knew did n't apply to me .

Why was the information already well known the the person ?
Choose your answer from:
A). The information was from previous research .
B). All the information was taught in the schools .
C). This information was common sense and did not need explaining .
D). All the information was posted online in previous posts .
C).