Seligman's Three-Part Description of Happiness Describes a Pleasant Life, an Engaged

Seligman's three-part description of happiness describes a pleasant life, an engaged life, and a meaningful life. In his analysis a meaningful life derives from

A) events and personal qualities associated with happiness.
B) involvement in activities that express our strengths and interests.
C) going beyond self-interest through involvements in something larger than the self, such as serving others.
D) the inevitable tragedies of life.