题目

Information is received into our brain by attention, and its quality determines (决定) how well it will be processed, saved and used afterwards.All information we receive is chosen by our attention. Factors (因素) affecting (影响) our attention are personal interest, experience, ability, feelings, knowledge, environment, timing, and so on. The same information may attract different forms and levels of attention from different people. Some people can get and save the information easily; some may have great difficulty; while others may just turn a blind eye to it. To the same information, 细胞有丝分裂完成后．平均分配到两个子细胞的物质是（  ）     A、线粒体DNA    B、细胞核DNA     C、核糖体RNA      D、叶绿体DNA