Doctors sometimes insist that their patients' illnesses are the result of depression, but in ascribing these ailments to a psychological disorder, the patients are in effect told that these illnesses are all in their head.

A. in ascribing these ailments to a psychological disorder
B. if these ailments are ascribed as the cause for a psychological disorder
C. in ascribing a psychological disorder as the cause for these ailments
D. if these ailments are ascribed to a psychological disorder
E. in ascribing a psychological disorder to these ailments

OA: D