Answer:
The correct answer is letter "B": A major influence on the increase in multitasking is the availability of multiple electronic media.
Explanation:
Multitasking refers to the ability individuals develop to perform more than one activity at the same time. It requires the capability of focusing on different outcomes all at once without diminishing the performance of one activity or another. Electronic media has had a major influence on the increase of multitasking because it allows reading news, listening to music, and chatting with peers simultaneously, for instance.