This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Bahaviour	management	techiques	were	Labeled	as
"Embarrassment of riches" in 1977 by - 
Select and explain. 
A. Jimmy R.Pinkham, B. Gerald Z.Wright, C. David W.Chambers, D. J.C. Brauer
C: David W.Chambers
Answer: C: David W.Chambers 
Explanation: None