单选题：According to the passage, HIV is spread through all the foll

题目内容：

According to the passage, HIV is spread through all the following EXCEPT A． bloo
B． sexual contac
C． breastfeedin
D． a toilet sea

参考答案：

答案解析：

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回答题According to Hahn, the HIV epidemic originated in[A] Cameroon.[B] Kinshasa an

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