An Early Study Showing That Most of the Therapeutic Improvement

An early study showing that most of the therapeutic improvement of clients occurs by the 26^th session of psychotherapy makes a strong argument that:

A) traditional long-term psychoanalysis yields significantly better patient outcomes than brief psychodynamic therapy does.
B) there is little empirical evidence supporting the psychoanalytic concept of resistance.
C) interpretations do not appear to be necessary for psychoanalytic therapy to be effective.
D) brief psychodynamic therapy is a viable and effective alternative to traditional psychoanalysis.