Final answer:
The counselor must accurately diagnose the problem taking cultural norms into consideration before providing treatment, assessing the client's needs, and developing a treatment plan.
Step-by-step explanation:
The correct answer is D. All of the above. The counselor must accurately diagnose the problem taking cultural norms into consideration before providing treatment, assessing the client's needs, and developing a treatment plan. Cultural norms play a significant role in determining the appropriate treatment approach and ensuring the effectiveness of the counseling process. By considering cultural norms, the counselor can tailor the treatment plan to meet the client's specific needs and cultural background.