Please answer the question based on the following passage. You need to choose one letter from the given options, A, B, C, or D, as the final answer, and provide an explanation for your choice. Your output format should be ###Answer: [your answer] ###Explanation: [your explanation]. ###Passage:After all the cold dishes at the banquet at one table were served, there were 7 hot dishes.Among them, three Sichuan dishes? K, L, M? three Cantonese dishes? Q, N, P? one Shandong dish? X.Only one hot dish can be served at a time, and the order of serving must meet the following conditions? (1) Cannot serve Sichuan cuisine or Cantonese cuisine continuously.(2) Unless the second is on Q, P cannot be on before Q.(3) P must be on before X.(4) M must be on before K, and K must be on before N. ###Question:If the fourth is K, which of the following statements may be true? ###Options: (A)Fifth on P (B)Sixth on X (C)Fifth on L (D)First on M