Setting a Very Challenging Goal for Yourself,such as "I Will

Setting a very challenging goal for yourself,such as "I will double the number of hours I study next semester so that I can increase my GPA by at least half a point," can keep you motivated and focused on achievement.This type of goal,which involves pushing yourself beyond what you mind might think is safe is known as a(n)

A) increased-state mindset.
B) push goal.
C) stress goal.
D) inclining goal.
E) stretch goal.