although mental health researchers have disagreed in the past about the causes of disordered behavior, most researchers in western cultures now agree that the model best explains the appearance of psychopathology.

Bio-psycho-social model

Explanation:

Bio-psycho-social is a model that covers the biological, psychological and social area of a person. These three areas determine why a person have a mental disorder and what are the factor that causes mental illness. It is also called a BPS model. This model covers three areas of a person thus this model is used by different areas such as the medical industry, pharmacology, etc. There are different parts such as biological, sociological and psychological. These areas define different areas such as bio will define the biological aspect of a person such as genes, hereditary, etc. The psychological part defines the mental issues or factor that causes the illness such as anxiety, stress, frustration. The sociological domain defines what is a factor such as family, friends, working environment affect a person lifestyle. Thus bio-psycho-social model correctly defines psychopathology.  

this doesn't support enough information to answer the question.

it should be d or b but i'm sure it's d