Answer:
A Hypothesis leading to knowledge should be put through severe tests, which includes the estimation of previous knowledge.
According to confirmatory data analysis systems, "Confirmatory research" helps to estimate with precision the value of a hypothesis or findings in a specific study or report, by estimating and evaluating previous studies on the subject matter; since that report doesn't provide evidence for existing hypothesis or evaluates previous existing results on the matter, neither states the absence of it, your professor might point out that "Your report does not attempt to test a hypothesis". Thereby the answer would be a.)