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: Radiology
Which of the following statements about developing a dental radiograph is false? 
Select and explain. 
A. It involves chemically precipitating metallic silver, B. If it is too long, it results in an over dark radiograph, C. If high temperatures are used, it results in a fogged, over dark radiograph, D. It typically involves a developer containing sodium thiosulphate
D: It typically involves a developer containing sodium thiosulphate
Answer: D: It typically involves a developer containing sodium thiosulphate 
Explanation: None