Answer:
Machinery including computers: US$5 billion (13.3% of total imports)
Electrical machinery, equipment: $4.6 billion (12%)
Iron, steel: $2.3 billion (6.1%)
Mineral fuels including oil: $2.2 billion (5.9%)
Organic chemicals: $2 billion (5.2%)
Plastics, plastic articles: $1.8 billion (4.7%)
Answer: According to Piaget, May Lin's ability to use a doll as a representation of a real baby illustrates that she is capable of: SYMBOLIC FUNCTION.
Explanation: Symbolic function in Piagetian theory illustrates the ability of an individual to mentally use an object (the doll) to represent something that is not physically present (her baby brother).
The answer is most likely C