Which of the following is NOT an accurate statement regarding the DSM?

A) The first edition of the DSM, published in 1952, listed about 100 disorders.
B) The DSM-4 revised edition published in 2000 contains nearly 400 disorders.
C) The primary aim of the DSM is to explain the causes of various psychological disorders.
D) The DSM has had a powerful influence on notions of mental disorder.