One of the key features of the preoperational stage is children's ability to use ______.

A) symbolic thinking
B) abstract thinking
C) reflexive schemes
D) memory strategies

Symbolic Thinking

The ability to use symbols, signs, or objects to represent something else, a critical aspect of language development and abstract thought.

Preoperational Stage

A development stage in early childhood according to Piaget, characterized by symbolic thinking and difficulty understanding other perspectives.