Which answer corrects the shift in verb tense in the sentence?

After James got off his horse, he removes the saddle.

A.
After James is getting off his horse, he removes the saddle.

B.
After James will get off his horse, he removes the saddle.

C.
After James got off his horse, he had removed the saddle.

D.
After James got off his horse, he removed the saddle

Question

Which answer corrects the shift in verb tense in the sentence? 

After James got off his horse, he removes the saddle.
  
 
 

 
 

  

  A. 
  After James is getting off his horse, he removes the saddle.   
   

 
 

  

  B. 
  After James will get off his horse, he removes the saddle.   
   

 
 

  

  C. 
  After James got off his horse, he had removed the saddle.   
   

 
 

  

  D. 
  After James got off his horse, he removed the saddle

anonymous · Answer

D. After James got off his horse, he removed the saddle.