Executive function refers to the processes involved in regulating attention and in determining what to do with information just gathered or retrieved from long-term memory. What is one of those processes?

a. It involves an unrelated set of basic information-processing abilities.
b. Only certain abilities are not related to how quickly one can process information and to selectively attending to relevant information.
c. Age differences in functioning determine how well children are able to regulate behavior.
d. It plays a background role in planning and behaving flexibly, particularly when dealing with current information.