Question - ejo tyd ins xch ?
A.	nrw
B.	mrw
C.	msx
D.	nsx
E.	nsw
 
          
        
        Answer - 
        
Option B
Explanation:
There is a gap of four letters between the first and second, the second and third letters of each term, and also between the last letter of a term and the first letter of the next term.