One Disadvantage of the Payback Period Is That

One disadvantage of the payback period is that

A) it is sometimes used as a crude measure of risk.
B) managers may choose investments with quick payback periods to maximize short term criteria on which their own bonuses,etc.may be based.
C) it cannot be used for investments with unequal cash inflows.
D) it cannot be used if the entire cost of the investment does not occur immediately.
E) all of these.