# 题目内容

Which of the following best summarizes the authors view concerning the "imprecision" mentioned in the passage?
• AIt has little effect on the mollusks ability to adapt to its environment.
• BIt may be the result of the absence of certain nutrients in the mollusk`s environment.
• CIt may be the result of the failure of internal biochemical processes that regulate growth and form.
• DIt is primarily the result of external circumstances imposed on the developmental sequence of shell formation.
• EIt may be a natural deviation not completely accounted for by logarithmic-spiral model of shell development.

E显示答案

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