Among a Group of Canadian Men Who Were Tracked for Ten

Multiple Choice

Among a group of Canadian men who were tracked for ten years,those who had scored over 130 on intelligence tests were more likely to suffer severe depression than those who had scored below 130 on intelligence tests.Identify the subjects studied.

A) Canadian men suffering from depression
B) Canadian men who did not score over 130 on intelligence tests
C) Canadian men
D) Canadian men who scored over 130 on intelligence tests and who were suffering from depression
E) Canadian men who scored over 130 on intelligence tests