段1：①Since the dawn of human ingenuity, people have devised ever more cunning tools to cope with work that is dangerous, boring, burdensome, or just plain nasty. ②That compulsion has resulted in robotics—the science of conferring various human capabilities on machines. ③And if scientists have yet to create the mechanical version of science fiction, they have begun to come close.
46. Human ingenuity was initially demonstrated in
[A] the use of machines to produce science fiction.
[B] the wide use of machines in manufacturing industry.
[C] the invention of tools for difficult and dangerous work.
[D] the elite’s cunning tackling of dangerous and boring work.
答案：C
问：46题题干中的initially对应到原文段1中，是对如下哪项的同义改写？
A : dawn
B : conferring
C : come close
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