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: Medicine
Hemophilic A has following diagnostic features except - 
Select and explain. 
A. ↓VIII factor, B. ↑ PTT, C. ↑ PT, D. Normal BT
C: ↑ PT
Answer: C: ↑ PT 
Explanation: None