Final answer:
5th edition is the most current version of the Diagnostic and Statistical Manual of Mental Disorders.
The correct option is C.
Explanation:
The most current version of the Diagnostic and Statistical Manual of Mental Disorders (DSM) is the 5th edition, commonly known as DSM-5. Published by the American Psychiatric Association (APA), DSM-5 was released in May 2013 and remains the latest version utilized by mental health professionals for diagnosing and categorizing mental disorders.
So, the correct option is C. 5th edition.