____________

A．By recording children's responses to familiar faces.

B．By observing children's reaction to a repeated series of actions.

C．By having children imitate each other's actions.

D．By having children imitate an ordered sequence of actions.

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参考答案

答案解析

【预测】选项均为以by开头的介词短语，结合其中重复出现的children和actions可知，本题可能考查某种行为方式，可能与儿童的活动有关
【解析】D。录音中教授通过一个设问句来指出研究者们的解决方案，即建立了一个基于任务模仿的实验(experiment using imitation—based tasks)，让幼儿去模仿成年人的一些有步骤的行为活动。D中的0rdered sequence of actions是对文中an action that has 2 steps的概括，故为答案。

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