B would be the most appropriate and helpful response, because it identifies a problem, and offers a solution. This is a great example of constructive criticism.
"During the shop’s peak hours – from eight in the evening till around midnight – one could hardly hear oneself talk because of the boisterous chatters that went on."
Percy dropped the sheild and the bolt was in there so when it dropped the handle of the sheild popped open and thats how it was discovered