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
Wading gait is seen in -a) Bilateral dislocation of hipb) Myopathiesc) Common peroneal nerve injuryd) Unilateral dislocation of the hip 
Select and explain. 
A. ac, B. a, C. ab, D. bc
C: ab
Answer: C: ab 
Explanation: None