Which Statement About Causal Explanations for Mental Disorders and the Four

Which statement about causal explanations for mental disorders and the four major research approaches is TRUE?

A) The biological approach is consistently better at explaining all of the various disorders.
B) The most in-depth explanations are based on a single research approach.
C) Explanations that consider the interaction between the approaches are preferred.
D) The sociocultural approach is generally not helpful in explaining mental disorders.