$.$ In the context of bond pricing, what does the term "reinvestment rate" represent?

A$.$ The interest rate that discounts future cash flows to the present value

B$.$ The rate at which a bond issuer will be able to refinance the debt in the future

C$.$ The rate of return required by investors for holding a bond until maturity

D$.$ The rate at which cash flows from a bond are reinvested to earn additional interest