Which Scenario Best Demonstrates an Example of Eustress

Which scenario best demonstrates an example of eustress?

A) An individual loses a beloved family pet.
B) An individual prepares to take a one-week vacation to a tropical island with a group of close friends.
C) An individual receives a bank notice that there were insufficient funds in his or her account for a recent rent payment.
D) An individual receives notification that his or her current employer is experiencing financial problems and some workers will be terminated.