According to the regulations for life boat falls，which action must be taken at 30-month intervals?（）

A.End-for-ended

B.Renewed

C.Inspected

D.Weight tested

代位求偿权是指在财产保险中，保险标的由于第三者责任导致保险损失，保险人向被保险人支付保险赔款后，依法取得对第三者的索赔权。