You Are Shown an Example of Two Organisms in a Relationship,in

You are shown an example of two organisms in a relationship,in which one lives on the other.The one organism living on the other benefits from nutritional resources,while the organism being lived upon is harmed.This is an example of

A) predation.
B) mutualism.
C) commensalism.
D) intraspecific competition.
E) parasitism.