Caleb,a Research Student at a University,studies the Pattern of Solar

Caleb,a research student at a university,studies the pattern of solar eclipses along with his friends.However,he does not put much effort into the study and avoids researching for long hours.On the other hand,his friends put a lot of effort in the study,but their performances are not individually identifiable.In this scenario,Caleb most likely exemplifies the role of a ________.

A) logroller
B) forced rider
C) free rider
D) bootlegger