Answer: Option A
Step-by-step explanation: In simple words, concurrent controls refers to the regulation of activities by an organisation to make sure that those activities are performed as per the standards set. Usually the activities regulated under this type of control are related to the transformation process.
Such control is made to improve an existing performance and not in relation to some new set of activities that are to be performed. Hence from the above we can conclude that the given case is an example of concurrent control.