GMAT Sentence Correction (SC) | Re: While recognizing that lying often facilitates social

While recognizing that lying often facilitates social ineractions,psychiatrists are seeking to determine when they become destructive and which kinds of mental problems they cansignal.

a.they become destructive and which kinds of mental problemsthey cansignal
b.they become destructive and the mental problems that are signaled bythem
c.it ecomes destructive and what are the kinds of mental problemsthey signal
d.it ecomes destructiveand the mental problems that are signaled by it
e.it
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