Answer:
The technical source of the information.
Explanation:
A technical document is a essay that help to guide a person or team to reach a goal formulated. For example in Engineering Mechanical design you could elaborate a data sheet about an equipment ( Vessel) of Gas.
It should be shown the principals engineering process characteristics of flow of gas as pressure, temperature, etc.
By the other hand it should be shown the mechanical properties of material.
This technical information is supported for international standards which has been developed during many years ago.
the answer is - The narrator understands Dee more than Dee realizes.
I believe the answer is c .
