Four pairs of letter-cluster have been given out of which three are alike in some manner, while one is different. Choose the odd one.

Given option (A) OLEV opposite representation is LOVE written in Right side to the left side  that forms EVOL

check option (B) ARNI opposite representation is ZIMR written in Right side to the left side that forms RMIZ

Check (C) TSRA opposite representation is GHIZ written in Right side to the left side that forms  ZIHG

then we check 

(D) XHEP opposite representation is CSVK written in Right side to the left side that forms KVSC 

therefore option A, B, C follows the same pattern 

but option (D) is different 

Ans (D)