Final answer:
Concurrent control is the managerial approach that focuses on monitoring and adjusting activities in real-time during the work process.
Step-by-step explanation:
The type of managerial control that focuses on what is happening during the work process is called d) concurrent control.
Concurrent control involves monitoring and adjusting ongoing activities to ensure that goals are achieved and that performance meets the standards. It allows managers to correct issues as they happen, in real-time, rather than waiting until after the fact, which is what feedback control would entail. For example, a manager might observe the performance of workers on an assembly line and make immediate adjustments to ensure that productivity levels remain consistent throughout the work day.