感觉记忆的特点是下列哪一种？ Which of the following belongs to sensory memory's character?
A.容量很大，但保留的时间很短 Large capacity, but retained for a short time
B.容量有限，一般为7±2 3apacity is limited, generally is 7±2
C.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
正确答案是1