Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.

LOB : DQN :: HER : ?

TGJ

A   B   C    D   E    F   G    H    I    J    K    L   M

 ↓    ↓    ↓    ↓    ↓     ↓   ↓    ↓     ↓   ↓    ↓    ↓    ↓

 Z   Y    X   W   V    U   T    S    R   Q   P    O   N

26  25  24  23  22  21  20  19  18  17  16  15  14

******************************************

LOB : DQN :: HER : ?

The  logic followed here is :

 L → (+2)→ N

O → (+2) →Q

B → (+2) →D

NQD = WRITTEN FROM RIGHT TO LEFT = DQN

SIMILARLY

H → (+2)→ J

E → (+2) →G

R → (+2) →T

JGT = WRITTEN FROM RIGHT TO LEFT = TGJ