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: Unknown
The muscle which is affected last with DTC is- 
Select and explain. 
A. Facial, B. Diaphragm, C. Ocular, D. Abdominal
B: Diaphragm
Answer: B: Diaphragm 
Explanation: Ans-B