Which of the Following Statements Is True of Holland's Theory

Which of the following statements is true of Holland's Theory of Vocational Choice?

A) The theory stresses that the traits of clients should first be assessed and then systematically matched with factors inherent in various occupations
B) The theory identifies six categories that classify personality types and job environments: Realistic, Investigative, Artistic, Social, Enterprising, and Conventional.
C) The theory posits that career development is the lifelong process of implementing a self-concept.
D) The theory suggests that four factors influence a person's career decision-making: genetic endowment, environmental conditions and event, learning experiences, and task-approach skills.