The Nurse Constructing a Genetic Pedigree Would Use an Arrow

The nurse constructing a genetic pedigree would use an arrow to indicate which situation?

A) This is the client for whom the pedigree is being created.
B) This is the person who relayed the majority of information for the pedigree.
C) This is the person who is seeking genetic counseling.
D) The person who is furthest in time from the client requesting the pedigree.
E) The point at which there is an interruption in knowledge about the client's ancestors.