Which of the Following Statements Is True About the Decolorizing

Which of the following statements is true about the decolorizing step for the acid- fast stain?

A) The decolorizing step is the differentiating step.
B) Because acid- fast bacteria have a waxy cell wall that resists decolorization by the acetone- alcohol rinse, they appear a deep blue at the end of the procedure.
C) Over- decolorizing can lead to false- positive results.
D) Non- acid- fast bacteria appear bright pink- red at the end of the procedure.
E) Acetone- alcohol solution is the decolorizing agent.