问题：

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[单选题]The relationships between classes, in descending order of weakness, are

ACommon Associations < Dependencies < Combinations < AggregationsXlT答案窝(daanwo.com)-大学作业答案分享平台

BNormal association < Dependency < Aggregation < CombinationXlT答案窝(daanwo.com)-大学作业答案分享平台

CDependencies < Common Associations < Combinations < AggregationsXlT答案窝(daanwo.com)-大学作业答案分享平台

DDependencies < Common Associations < Aggregation < CombinationsXlT答案窝(daanwo.com)-大学作业答案分享平台

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