According to Current Research Findings, Many of Piaget's Specific Assertions

According to current research findings, many of Piaget's specific assertions regarding human development have received little empirical support.Given these considerations, how should a modern developmentalist regard Piaget's theory?

A) He or she should reject all of Piaget's theory and relegate it to the history books.
B) He or she should ignore the current research.
C) He or she should continue to seek confirmation of Piaget's theory.
D) He or she should accept Piaget's theory as a detailed description of cognitive development.