Terry Has to Complete One More Required Class to Be

Terry has to complete one more required class to be admitted to his desired major. Since he needs only a passing grade, he decides not to study very hard and often skips the class. Because he has defined success in this situation as a passing grade and a passing grade is an acceptable achievement for admission to his major, we can say that his behavior is best explained by

A) achievement goal theory.
B) a mastery orientation.
C) high-need achievement.
D) social comparison.