长期记忆的特点是下列哪一种？ Which of the following belongs to long-term memory's character?
A.永久性的信息存贮，一般能保持多年甚至终身 Information is stored permanently, can keep many years or even a lifetime
B.容量有限，一般为7±2 Capacity is limited, generally is 7±2
C.保留的时间很短 Information can be retained for a short time
正确答案是A