Which of the following is true about choosing among alternative solutions?

A、Thealternativesolutionsarerankedintheorderthattheyweredevelopedorcreated.
B、Identifyingallrelevantinformationdoesn'tmeanthatamanagerhascompleteinformation.
C、Existenceofincompleteinformationismoreseriousthanignoringcriticalinformation.
D、Oncealternativesarechosenandranked,theymustbeevaluated.
E、Thefinalstepinthedecision-makingprocessischoosingamongalternativesolutions.