Which of the Following Illustrates the Concept of Delay of Gratification

Multiple Choice

Which of the following illustrates the concept of delay of gratification?

A) preferring $500 now rather than $1,000 one year from now
B) preferring $1,000 one year from now rather than $500 now
C) preferring a 1-in-1,000 chance at $10,000 rather than $10 for certain
D) preferring $10 for certain rather than a 1-in-1,000 chance at $10,000