句子改错求助！！

sherry2012

While depressed property values can hurt some large investors, they are potentially devastating for homeowners, whose equity—in many cases representing a life’s savings—can plunge or even disappear.

(A)they are potentially devastating for homeowners, whose

(B)they can potentially devastate homeowners in that their

(C)for homeowners they are potentially devastating, because their

(D)for homeowners, it is potentially devastating in that their

(E)it can potentially devastate homeowners, whose


不觉得正确答案A里的they有点指代不明麼？不知道是指investors 还是values.