Which milestone is developmentally appropriate for a 2-month-old infant?

Question

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At 2 months old, an infant should be able to lift their head from the prone position and briefly hold it erect. This is a key milestone that demonstrates developing neck and upper body strength. Choices A and B are not developmentally appropriate for a 2-month-old as they involve sitting, which most infants do not achieve until closer to 6 months old. Choice D is also not developmentally appropriate for a 2-month-old as most infants still have some head lag in the prone position at this age.

Which Milestone Is Developmentally Appropriate for a 2-Month-Old Infant