Jerry Consumes Three Hamburgers at McDonald's

Jerry consumes three hamburgers at McDonald's. He figures out that the last hamburger he ate was just worth the price he paid for it. If the price of a hamburger is $1, _____.​

A) he has no consumer surplus
B) he would have a consumer surplus if he eats one more hamburger
C) he has a consumer surplus on the first hamburger
D) he has a consumer surplus on the first two hamburgers
E) he has a consumer surplus on the third hamburger alone