Which of the following is a misstatement of the characteristics of post competency and professional ability?

A、Competency is the study of individual characteristics while professional ability is the study of collective characteristics.;

B、Competency takes position as reference, while professional ability takes occupation as reference.;

C、Competency emphasizes the unity of process and result of behavior while professional ability emphasizes the result of behavior.;

D、Competency purpose is to make "people" - "post" - "organization" reasonable supplement.