Veterans Who Have Had Family Members Involved in Treatment for Post-Traumatic

Veterans who have had family members involved in treatment for post-traumatic stress disorder have

A) indicated a desire for their inclusion though it has not been demonstrated to be beneficial.
B) not indicated a desire for their inclusion though it has been demonstrated to be beneficial.
C) indicated a desire for their inclusion and it has been demonstrated to be beneficial.
D) not indicated a desire for their inclusion and it has not been indicated to be beneficial.