40.依皮亞傑(J.Piaget)的認知發展理論，智力係個體那兩類適應環境方法的平衡過程？ (A)內化(internalization)與社會化(socialization) (B)具體運思(concret operation)與形式運思 (formal operation) (C)同化(assimilation)與調整(accommodation) (D)行為(behavior)與認知歷程(cognitive process)