Which One of the Following Statements Concerning Scenario Analysis Is

Which one of the following statements concerning scenario analysis is correct?

A) The pessimistic case scenario determines the maximum loss, in current dollars, that a firm could possibly incur from a given project.
B) Scenario analysis defines the entire range of results that could be realized from a proposed investment project.
C) Scenario analysis determines which variable has the greatest impact on a project's final outcome.
D) Scenario analysis helps managers analyze various outcomes that are possible given reasonable ranges for each of the assumptions.
E) Management is guaranteed a positive outcome for a project when the worst-case scenario produces a positive NPV.