【单选题】

Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.

A、对现有的分析进行了审查，以确定可能存在安全裕度较低的部件和区域。
B、从分析结果发现，有部件和相关区域显示出安全性能较低的迹象。
C、故障分析结果显示，某些部件和区域现有些安全指标达不到设计要求。