单选题:(  ),儿童动作有意性的发展出现了较大质变,可以说是意志行动的萌芽。

题目内容:
(  ),儿童动作有意性的发展出现了较大质变,可以说是意志行动的萌芽。 A.6个月左右
B.8个月左右
C.10个月左右
D.11个月左右
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答案解析:

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