If 'APPLE' is coded as 'BQQMF' and 'BANANA' is coded as 'CBQBOB', what is the code for 'LEMON'?

Answer: A. MFNPO
The coding pattern involves shifting each letter by +1. 'L' to 'M', 'E' to 'F', 'M' to 'N', 'O' to 'P', 'N' to 'O'.