Answer: Option C
Explanation: Positive analysis is an analysis which evaluates the real characteristics of the world and describes the world in the way it is. The analysis that focus on what ought to be is normative analysis.
The positive analysis is based on proved facts and logic and is usually used to test or develop theories of economics. It is considered as a part of economics and is also called value free economics or positive economics.
Hence, from the above we can conclude that the correct option is C.