You Are Comparing Two Investments,A and B,with Unequal Annual Cash

You are comparing two investments,A and B,with unequal annual cash flows and varying numbers of years.Which one of these statements is correct regarding this comparison?

A) If A has the higher net present value at one discount rate,then A will have the higher net present value at all other discount rates.
B) If B has a higher net present value,then B will have the higher net future value at any point in time,given a stated discount rate.
C) If B has a higher net future value at one discount rate,then B will have the higher net present value given any discount rate.
D) The two projects cannot be compared since their time periods differ in length.
E) The project with the greater number of years will have the higher present value.