Based on Interviews in a Virginia Prison from 1986 to 1999

Based on interviews in a Virginia prison from 1986 to 1999 with more than 100 imprisoned "street criminals" most of whom were murderers, which of the following mitigating factors should be modified to narrow death eligibility?

A) killing while under the influence of extreme mental or emotional disturbance
B) killing while under extreme duress or under the substantial domination of another person
C) killing while under the influence of alcohol or any other drug
D) the age of the defendant at the time of the crime
E) all of the above