Latest research shows that many financial analysts usually make inaccurate predictions about company profit. They are usually overly optimistic, although some analysts are typically pessimistic and substantially underestimate actual performance. Evidence shows that If analysts calculated the company's profit by using the national average profit growth of companies multiplied by the percentage of the company's revenue, a more accurate prediction may be provided. Your answer should be only based on the information given.

Question: Many analysts can improve the accuracy of their predictions.
Options:
A. true, B. false, C. uncertain
Answer: "C"