单选题
It is significant that chimpanzees make tools, but it is more important that
A、
they never make tools before they need them.
B、
they can make up simple equations.
C、
they stack items to make platforms.
D、
the tools are crude.
【正确答案】
A
【答案解析】
[解析]从文章最后一段第二行可知：the ape does not make his tool before setting out on a termite hunt．故应选A。
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