Which scenario has data leakage

A$.$ Predicting whether a criminal will re$-$offend in the future. Features include: his$/$her age, previous offenses, marital status, etc.

B$.$ Predicting the salary of a fresh graduate student before he finds a job. Features include: the GPA of the student, degree, major, age, internship experience $($if there is any$),$ etc

C$.$ Predicting the total amount of money a fundraiser will receive on GoFundMe before posting to GoFundMe. Features include: the characteristics of the project, the personal information of the fundraiser, the total number of donors, time of the year, etc

C

B

A