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:There is an authoritative public opinion polling agency that investigates the causes of the terrorist attacks on September 11, and found that 40% of the people believed that they were caused by unfair foreign policy of the United States, and 55% It is believed that it is due to the conflict between Islamic civilization and Western civilization.23% of people believe that it is due to the evil nature of terrorists, and 19% of them did not express their views. ###Question:Which of the following best explains the contradictory statement above? ###Options: (A)The sampling of the survey sample is not random and therefore not representative. (B)Some respondents later changed their views. (C)Many investigators believe that the causes of the "September 11" terrorist attacks were not single but compound. (D)There are technical errors in the calculation of the investigation results. Provide your response in exactly 7 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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