52. Why can't people really be multitaskers according to neuroscientists?
A) They are not sufficiently exposed to multitasking situations.
B) They are not comparable to mechanical operating systems.
C) Their brains do not allow them to multitask.
D) Their attention span cannot be expanded.
答案&解析
52.C）
第二段第二句指出，根据神经系统科学专家的说法，我们的大脑无法很好地处理多重任务的情况。由此可知，人们不能真正地进行多重任务处理是因为大脑不允许，故选项C正确。其他三项的内容原文均没有提及，可以排除。
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