Correct option is D
Previous letter of W is V
Next letter of W is X
E → D F
Previous letter of E is D
Next letter of E is F
T → S U
Previous letter of T is S
Next letter of T is U
Next letter of N is O
H J → I
Previous letter of I is H
Next letter of I is J
A C→ B
Previous letter of B is A
Next letter of B is C
Thus, the correct option is (d)