Final answer:
Counselors working with medical and legal personnel most likely deal with mental health disorders, substance abuse disorders, and relationship problems.
Step-by-step explanation:
When counselors work with medical and legal personnel, they are most likely dealing with mental health disorders, substance abuse disorders, and relationship problems (Option D: All of the above). Counselors collaborate with medical professionals to provide support for individuals with mental health disorders, such as anxiety disorders, depression, and eating disorders. They also work with legal personnel in cases involving substance abuse, such as addiction and DUI offenses, as well as relationship problems, such as domestic violence or child custody disputes.