According to the Authors of Your Text,people Who Are in a Good

According to the authors of your text,people who are in a good mood help others because they are looking on the bright side of life,because it prolongs the good mood,and because

A) good moods increase self-attention.
B) they are more altruistic in general.
C) good moods increase feelings of simpatico.
D) they are more focused on the needs of others.