Concept:The code shifts each letter by a fixed number of positions in the alphabet.Explanation:Compare IMPLORE with GKNJMPC.I−2​GM−2​KP−2​NSo, every letter is moved 2 steps backward.Apply the same rule to HUB:H−2​FU−2​SB−2​ZThus, the code is FSZ.Answer:FSZ (Option C)