He main reason an author includes evidence in a case study is to help the reader create a case study. add to the case study. draw a conclusion from the case study. conduct an investigation from the case study.

Respuesta :

I'm pretty sure its C because since your the reader the writer isn't expecting you to be physically involved in a case study and that's the only one that makes sense. 

The main reason an author includes evidence in a case study is to help the reader draw a conclusion from the case study.

What is a Case Study?

A case study may be defined as an in-depth study of a research issue. A case study is an explanatory and experimental analysis of a person, group, or event.

The main purpose of the case study is to describe the situation, identify its key issues, and analyze the same using relevant concepts. Evidence in a case study provides more reliability to the information and helps the user to easily understand the facts.

Therefore the correct option is C.

Learn more about the case study here:

https://brainly.com/question/13831643