You are an experienced developer working on a project following Extreme programming (XP). A rookie developer joined your team recently and you see him copy-pasting code from one module to another and running unit tests. What do you think he is doing?
a) He is stealing some ones intellectual property.
b) He Is doing alright. You are allowed to copy paste colleagues code.
c) He is in violation of a design principle called DRY.
d) He is in violation of organization policy.