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.
they are potentially devastating for homeowners, whose
they can potentially devastate homeowners in that their
for homeowners they are potentially devastating, because their
for homeowners, it is potentially devastating in that their
it can potentially devastate homeowners,whose
B GMAC 不大喜欢in that;
C they 和 their指代不一致
A Correct. The relationship between nouns
and pronouns is correct in this sentence; the
expression is concise and clear.
B Can potentially is redundant; in that their is
wordy, awkward, and ambiguous.
C Their appears to refer to they (property values)
rather than to homeowners.