試題詳解

41. What is the main idea of this passage?
(A) Multitasking has become more common among students and scientists have sought to understand how it affects learning.
(B) The effects of multitasking are often unidentified and there are no easy answers for helping students learn to multitask better.
(C) Digital multitasking stimulates our brains to release chemicals to help people maintain focus and concentration.
(D) Some people are better multitaskers than others because they have strong sense of purpose and goal attainment.