Concept:The unique role that separates an entrepreneur from other business functions is accepting financial risk.
Explanation:Every entrepreneur plans, controls, and manages the business, just like other professionals.
However, the entrepreneur alone invests his own resources and faces the possibility of loss.
He starts a venture even when profit is not guaranteed.
This willingness to bear uncertainty and loss is what makes risk-bearing the defining function.
Therefore, risk-bearing is the distinguishing function of an entrepreneur.
Answer:C. Risk-bearing.