GMAT Sentence Correction (SC) | Re: In response to the recent uprising in downtown Detroit,

Kindly elaborate the source of the questions you've recently posted...this is certainly not a good quality question - leave alone GMAT quality because even the non-underlined portion has a grammatical error --- consider carefully the choice E (which is the declared OA here)
Responding to the recent uprising in downtown Detroit, residents quickly claim thattheir trust in the mayor and the local governmentare being undermined by reports of political irresponsibility.

Trust is singular so how