Can someone explain the rationale behind why the answer is C? Please explain. Thank you!

Study the time line and accompanying 5-period cash-flow pattern below. -1 0 1 2 3 3 4 4 5 Time line |--------- ----------------------- ------ $10 $10 $ 10 $10 Cash flows 1 1 A B $10 The present value of the cashflows at Point A is the present value of a 5-period whereas the future value at Point B is the future value of a 5-period A. ordinary annuity starting at -1; ordinary annuity starting at -1. B. annuity due starting 0; annuity due starting at 0. C. annuity due starting at 0; ordinary annuity starting at - 1. D. ordinary annuity starting at -1; annuity due starting at 0. E. None of the above