A. According to the local government official, if the proposed bill of rights were modified and customized for Jefferson County, it could work, which would change the local face of politics indelibly.
'which' must modify noun. It cannot modify the action 'work'. 'indelibly' should modify 'change'.B. Changing the local face of politics indelibly, the proposed bill of rights would work if it were modified and customized for Jefferson County, according to the local government official.
Change in meaning; 'could' changed to 'would'. Moreover, 'indelibly' must modify 'change'C. If the proposed bill of rights were modified and customized for Jefferson County, it could work, indelibly changing the local face of politics, according to the local government official.
Correct. 'could' correctly shows uncertainty. verb+ing 'changing' shows the result that will happen if the bill works out. 'indelibly' changing is correct.D. If the bill of rights proposed were modified and customized for Jefferson County, it would work and change the local face of politics, according to the local government official.
could changed to would. bill will workout & change in politics have been shown as separate eventE. According to the local government official, if the proposed bill of rights were modified and customized for Jefferson County, it would work, and would change the local face of politics indelibly.
same as D