Which Alternative Correctly Arranges the Broad Approaches to Psychological Treatment

Which alternative correctly arranges the broad approaches to psychological treatment with respect to the extent to which their effectiveness has been examined empirically,from the least investigation to the most investigation

A) social-community approaches → biomedical therapies → psychological therapy
B) social-community approaches → psychological therapy → biomedical therapies
C) biomedical therapies → psychological therapy → social-community approaches
D) biomedical therapies → social-community approaches → psychological therapy