搜题
问题   更新时间2023/4/3 12:59:00

When a dog is barking, you assume it is barking for something or at someone that exists hear and now. It couldn’t be sorrowful for some lost love or lost bone. This indicates the design feature of __________.

A.cultural transmission
B.productivity
C.displacementt
D.duality

参考答案:ABC
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