At about what age does a typical infant first smile socially?
Answer and explanation
Correct answer: D. Around 2 months
- Step 1: A social smile in response to a face usually appears at about 2 months.
- Step 2: It is an early social milestone.
Answer
Around 2 months.
Why not the others: Sitting alone appears near 6 months and walking near 12 months.
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