With Respect to Copyright Infringement,which of the Following Is the Relationship

With respect to copyright infringement,which of the following is the relationship between the qualitative and quantitative aspects of copying a substantial part of another's work?

A) determines whether the author has a valid right to object to dealings with or uses of it
B) determines whether the author has a valid right to be associated with the work
C) determines infringement based on whether the part taken is a key or distinctive part
D) determines infringement based on whether the work is associated with a cause