Self-serving bias can be adaptive in that it A. enables us to exhibit realistic optimism about our futures. B. decreases our vulnerability through illusory optimism. C. allows us to savor the good things that happen in our lives. D. prevents us from blaming others when things go wrong.

A) allows us to savor the good things that happen in our lives

Explanation:

Self-serving bias: In psychology, the term self-serving bias is defined as the propensity of an individual to attribute negative outcomes or events to external cause and therefore attribute positive outcomes or events to some internal cause or his or her character in his or her life. It is often considered as a cognitive bias in social psychology.

Example: Athletes win a particular game and attributed that their win is due to the hard work and practice they have done.