After the First Day of Class,Jack (Who Is Always an Optimist)decides

Multiple Choice

After the first day of class,Jack (who is always an optimist) decides the class will be fun while Jan (who struggles over grades) decides the class will be hard.Their different reactions illustrate the role of

A) their non-shared environment.
B) their cognitive set.
C) exposures they've experienced.
D) their childhood experiences.