GMAT Sentence Correction (SC) | Re: The three women, liberal activists who strongly support

The three women, liberal activists who strongly support legislation in favor of civil rights and environmental protection,have consistently received labor’s unqualifying support.

(A) have consistently received labor’s unqualifying support
(B) are consistently receiving the unqualifying support of labor
(C) have consistently received the unqualified support of labor
(D) receive consistent and unqualified support by labor
(E) are receiving consistent and unqualified support by labor