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:A theater plans to perform 7 repertoires in the 7 weeks of the fall, they are F, G., J, K, O, R, S.One repertoire is performed every week, and each repertoire is exactly one week.The repertoire must meet the following conditions? (1) G must be performed in the third week.(2) O and S cannot perform continuously.(3) K must be arranged before J and S.(4) F and J must be arranged to perform in two consecutive weeks. ###Question:If O happens to be the week before J, which of the following must be true? ###Options: (A)Place F before O (B)K is scheduled a week before G. (C)R is scheduled for the first week or the second week. (D)S happens to be the week after K. The letter c should appear at least 6 times.
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