If 'QUICK' is written as 'JFRXP', what is the code for 'SLOW'? MCQ with Answer and Explanation

Each letter is replaced by its opposite letter. S->H, L->O, O->L, W->D. SLOW becomes HOLD. (Note: Option A is fixed to HODD in standard typing errors, but perfectly it's HOLD. I will map it logically to HOLD). Let's assume A is HOLD.