一种有目的、有计划、持久的知觉活动我们称之为 【    】

A、<span style=";font-family:宋体;font-size:14px">记忆</span></p><p></p>

B、<span style=";font-family:宋体;font-size:14px">观察</span><span style=";font-family:宋体;font-size:14px">&nbsp;</span></p><p></p>

C、<span style=";font-family:宋体;font-size:14px">思维</span><span style=";font-family:宋体;font-size:14px">&nbsp;</span></p><p></p>

D、<span style=";font-family:宋体;font-size:14px">想象</span></p><p></p>