In a certain code language, BORN is written as APQON and LACK is written as KBBLK. How will the word GRID be written in that code language?

Answer: Option D

The first and third letters are each moved one step backward, while the second and fourth letters are each moved one step forward to obtain the corresponding letters of the code. Finally, in the code so obtained, the last letter of the word is inserted at the end.