An entrepreneur's first business fails, but their second attempt at the business is succeeding. You can assume that

they learned from their mistakes

Learned from his or her mistakes.

Explanation:

Of all the choices, this is the only one that makes sense. Obviously, they are still taking a financial risk, so d is incorrect. There is no indication that the new adventure entails less risk. Finally, since there is no indication whether either or both enterprises involve goods or services, it cannot be said that the product was not wanted by consumers.