Which one of the following statements about present value is correct?

Apresent value is best defined as the expected future value of a financial asset purchased today.

Bpresent value is best defined as the current worth of a financial asset purchased in the past.

Cpresent value is best defined as the worth in the future of a current flow of returns or costs.

Dpresent value is best defined as the worth today of future expected returns or costs.