Which One of the Following Is the Annuity Present Value

Which one of the following is the annuity present value formula?

A) C × {{1 - [1/(1 + r) ^t]}/r}
B) C × {1 - [1/(1 + r) ^t]} - r
C) C × {1 - [r/(1 + r) ^t]}/r
D) C × {{1 - [1/(1 × r) ^t]} × r}
E) C × {1 - [r/(1 × r) ^t]} × r