Robert Is About to Graduate College and His Parents Tell

Robert is about to graduate college and his parents tell him that because he is the first member of the family to graduate college,they want to buy him a new,but inexpensive car.They have the money to buy the car and Robert is excited to get his gift.Robert owns a used car but he as never owned a new car so this will be his first.He decides to keep his used car because he had been promised a new car by his parents for his high school graduation and never got it.On graduation day,his parents tell him that they have decided to use the car money for a vacation and there will be no car.

A) Robert can successfully sue based on promissory estoppel
B) Robert can successfully sue based on the promise of a gift
C) Robert cannot successfully sue because he did not rely to his detriment on the promise
D) Robert cannot successfully sue because the promise was not reasonable and would not support promissory estoppel