According to Your Textbook, Men

According to your textbook, men:

A) do not experience a decline in sex-related hormones.
B) do experience a decline in their hormones but not until they are in their late 70's and 80's.
C) do experience a decline in sex-related hormones in their 50's and 60's that is less severe than a woman's estrogen decline.
D) who smoked, drank heavily, or used drugs are the only ones who experience a decline in their sex-related hormones.