The attentional system that focuses attention on one task, one problem, or one stimulus is the: A. executive control system B. orienting system C. alerting system D. all of the alternatives are correct

A. executive control system

Explanation:

The Executive function in the executive control system is largely theoretical in the cognitive process and is used to refer to the management, regulation, and control of cognitive processes, including working memory, reasoning, problem solving, social inhibition, planning, and execution. The executive control system in other words is a theoretical cognitive system that is involved with and manages the processes of executive function. Executive functions in executive control system are controlled by the frontal lobes of the brain. Frontal lobes may be seen as conductors of the brain's orchestra