Which of the Following Represents the Ratio of Dietschmann [2003]

Which of the following represents the ratio of Dietschmann [2003]:

A) That drunkeness alone can constitute an abnormality of mind.
B) That a drunken D's pre-existing mental abnormality must impair mental responsibility for the killing.
C) That both alcohol and brain damage can contribute to an abnormality of mind.
D) That a pre-existing abnormality must be the cause of the killing.