The best statement that is fair, focused, and complex is:
C. Recently, entrepreneurs were evaluated by their talents and abilities concerning the success or failure of their business ventures after one year.
This statement is focused on the evaluation of entrepreneurs and their talents, suggesting a study or investigation that supports the claim about natural talent being a predictor of success. It's fair because it doesn't dismiss hard work but instead emphasizes the role of talent and abilities in determining outcomes. Additionally, it has a complexity that implies an analysis of various factors and their impact over a specific period.