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
The labial bow in activator is constructed with: 
Select and explain. 
A. 0.6mm, B. 0.5mrn, C. 0.7mm, D. 0.8mm & slightly heavier
D: 0.8mm & slightly heavier
Answer: D: 0.8mm & slightly heavier 
Explanation: None