Answer:
have caused
Explanation:
A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.
When a dog was chasing me
Definitely not B. I would have to go with A since the majority of the article is on social position arranged marriages.