Billy and His Grandfather Decide to Join a Local Fishermen's

Billy and his grandfather decide to join a local fishermen's club that goes fishing every weekend. Consistent with research findings on motivation and age, which statement is MOST likely to be true?

A) Billy is motivated by the possible outcome of catching lots of fish, whereas his grandfather is more interested in the process of fishing itself and the fun of fishing.
B) Billy is motivated by the process of fishing itself and the fun of it, whereas his grandfather is more interested in the possible outcome of catching lots of fish.
C) Billy is more likely than his grandfather to persist and continue trying in the event they don't catch any fish.
D) Billy is more likely than his grandfather to work together and help others to catch fish.