第23题: [单项选择]The following factors, together with aging, can be a cause for amnesia EXCEPT__________. A. Injuries B. Alcoholism C. Strain D. Long-time sleeping 参考答案:D 答案解析:事实细节题。文中第一段第二句“Aging is a frequent cause'’,第二段的" alcoholism ",以及该段第四句中的 " Injuries to the head often