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:Since the beginning of the NAME_1 Dynasty, China has practised the etiquette of not marrying with the same surname."NAME_2" said? "The same surname is the ancestor, and it has the meaning of the family, so it is the surname ...Although the hundred ancestry, the marriage is not connected, NAME_1 Zhouran also." "Mandarin" said? "NAME_3 a wife to avoid his surname." ? "The same surname does not NAME_3, neither evil nor colonization." From this, the ancients in China have long understood the principles of eugenics and eugenics in modern genetics, otherwise they would not realize the harm of close marriage. ###Question:If any of the following statements is true, will it weaken the author's interpretation of "unmarried with the same surname"? ###Options: (A)The etiquette system of inter-marriage lays the foundation of etiquette for the political marriage between countries. (B)The ancients in our country formulated the etiquette for unmarried people of the same surname based on the experience that marriage of the same surname leads to incest and poor fertility. (C)Qin and NAME_4's intermarriage is called Qin NAME_4's good, Qin NAME_4's good is a model of the same surname not to NAME_3. (D)The etiquette of unmarriage of the same surname encourages inter-marriage intermarriage, which promotes the integration of all ethnic groups. Avoid using the following keywords: format, passage, family, foundation
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