单选题
We can learn from the passage that people's enthusiasm for Mars______.
A、
could subsist despite the discovery of ice
B、
is aroused by the wish to find life there
C、
depends largely on the funding of these projects
D、
might turn out to be a waste of resources
【正确答案】
B
【答案解析】
这是一道简单推论题。依据第四段，人们对火星着迷是因为期望上面有生命， 故答案为B。
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