问题描述：
英语翻译
It could be that the high-functioning mothers in the study had already had a strong influence on their children's speench development.
这句话为什么会有两个had,而且几乎是连着的,我觉得一个就可以啊,急求对这句话的结构进行分析
It could be that the high-functioning mothers in the study had already had a strong influence on their children's speench development.
这句话为什么会有两个had,而且几乎是连着的,我觉得一个就可以啊,急求对这句话的结构进行分析
问题解答：
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