单选题：It can be inferred from Mark Allen’s address that

题目分类：理工类
题目类型：单选题
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题目内容：

It can be inferred from Mark Allen’s address that A．Scientists are trying to confirm there is life on Titan.
B．Scientists are arguing over whether there is life on Titan.
C．Scientists agree that a chemical process is a convincing explanation.
D．Scientists share the opinion that a biological explanation is reasonable.

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答案解析：

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分类：理工类题型：单选题

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分类：理工类题型：单选题