Psychodynamic Theory Has Been Criticized on All but Which of the Following

Psychodynamic theory has been criticized on all but which of the following grounds?

A) It places too much emphasis on sexual and aggressive drives.
B) There is a general lack of evidence supporting many of the principles on which the theory is based.
C) The theory was based on evidence gathered from a small number of cases studies.
D) It is difficult to test using the scientific method.
E) It places too much emphasis on social influences.