Answer:
B. Contained in
Explanation:
Base on the scenario been described in the question, the concept that is used to derivatively classify the statement in the new document is contained in
Contained in can be said to a classified statement in a new document
The concept that is used to derivatively classify the statement in the new document is "Contained in".
The word "contained in" is used to as a classifiers to incorporate classified information from an authorized source into a new document.
Thus, the concept that is used to derivatively classify the statement in the new document is "Contained in"
Therefore, the Option B is correct.
Read more about classifiers
brainly.com/question/5309428