According to the Authors,why Do People Often Rely on a Variety

According to the authors,why do people often rely on a variety of mental shortcuts?

A) We're inherently flawed in our ability to reason.
B) We're more interested in speed than in accuracy when we reason.
C) We're motivated to enhance our self-esteem.
D) We're not interested in much of the information we take in.
E) We're confronted with an overwhelming amount of social information.