A is found to be a great deal higher than that of seawater B was of little scientific value C may be older than that collected b

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问题 A is found to be a great deal higher than that of seawater
B was of little scientific value
C may be older than that collected below 39 feet of ice
D might have come from Mars
E is to collect some briny lake water for analysis
F may return to life sooner than microbes frozen in the surface ice
The salt concentration in the liquid water of Lake Vida______ .

选项

答案A

解析 第四段最后一句是选A的依据。
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