According to Cerf, the purpose to design interplanetary Internet is to We know from the text that Mars mission is

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问题 According to Cerf, the purpose to design interplanetary Internet is to
We know from the text that Mars mission is

选项 A、one of NASA’s Internet projects.
B、an expedition to Mars.
C、the infrastructure of the interplanetary Internet
D、to create an architecture on Mars.

答案B

解析 细节推断题。文章第五段第二行指出,Mars mission指的就是"recent Mars expedition"。第八段又指出,要使星际网络成为Mars mission的一个基础部分,可见其他选项不符合文章要求或在文章中未提到。
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