题目内容
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提问人：网友13***556
发布时间：2022年3月23日 16:16
[单项选择题]
Could HIV, the virus that causes AIDS, be weakening The results of a study conducted in Belgium, ...By saying "Dr. Arien’s caution is sensible" (Line 1, Paragraph 3), the author implies that（）
A．The result of Arien’s research is worth further studies.
B．the result of Dr. Arien’s research is not true.
C．Dr. Arien’s conclusion has been made by others before.
D．Dr. Arien’s result is based on the small size of study.
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