Which of the Following Is True About the Simple Ranking

Which of the following is true about the simple ranking technique?

A) It assigns a certain percentage of employees to each category in a set of categories.
B) Alternation ranking is a variation of simple ranking.
C) It involves comparing each employee with each other employee to establish rankings.
D) It rates everyone favorably or near the center of the scale.
E) Simple ranking requires managers to rank employees in their group against the highest performer of each group.