单选题 In the third stage of the evolution of the mind, ______.

A、 the reacting organism is still unable to exercise the control over the objects in the external world
B、 the nonintrinsic meanings is sometimes involved for the organism to use the instrument'
C、 the intrinsic properties of the instrument is not involved in the reaction of the organism
D、 the ability of the organism to use the instrument shows that something that can't be found in the previous two stages have been introduced

【正确答案】 D

【答案解析】见第一段的倒数第二句话。第三阶段中有机体可以控制外部世界的某些物体，这是它们行为中的一个新的部分。