Which of the Following Statements Is True

Which of the following statements is true?

A) The "slushy" portion of the MPS comes sooner than the "liquid" portion of the MPS.
B) The planning time fence occurs before the demand time fence.
C) The "frozen" portion of the MPS occurs between the planning time fence and the demand time fence.
D) The master scheduler has more authority during the "frozen" portion of the MPS than during the "slushy" portion of the MPS.
E) The "liquid" portion of the MPS occurs before the demand time fence.