@Qlad
Haven't seen that question yet, but I'm pretty positive it's B.
Management override is an inherent limitation regarding internal controls. That gets rid of A and C, at least. We're looking for something related to internal controls.
Now, the gist of it, I think, is that a certain internal control might be designed well. It might be amazing at preventing errors from happening and detecting them if they happen to slip through the cracks, but the auditor certainly isn't going to rely on the control if management is overriding it and making the control next to worthless.
Is the control designed well? More than likely — nothing in the question states otherwise. Is it operating well? No. Management is preventing the control from operating according to its design by overriding it when they see fit.
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