how did the glaciers affect the great lakes

来源：百度知道编辑：UC知道时间：2024/09/24 06:31:05

托福OG，147页上方
谁有托福的OG,请看147页的上方那道题，然后告诉我答案~~~我看不懂书上的解释~~~~~~~~~

我想应该是A
解释里也说了“the great lakes used to be a lot BIGGER as the glaciers were retreating”，而且根据“The beach of a former higher stage of...”这一句也可以推断出海岸线缩小了，所以我猜是A

我也觉得是A

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