A Man Diagnosed with Unipolar Depression Exhibited His First Diagnosable

A man diagnosed with unipolar depression exhibited his first diagnosable symptoms when he was about 40 years old. Among those experiencing unipolar depression, his case is:

A) common; the average age of diagnosis is middle age and depression is more common in men.
B) uncommon; the average age of diagnosis is middle age but depression is more common in women.
C) uncommon; although more common in men, the average age of diagnosis is early adulthood.
D) uncommon; the average age of diagnosis is early adulthood and depression is more common in women.