Pedro Just Began Lifting His Chin and Bringing Objects to His

Multiple Choice

Pedro just began lifting his chin and bringing objects to his mouth. What age would you guess Pedro to be?

A) less than 2 weeks old
B) 2 to 4 weeks old
C) 4 to 8 weeks old
D) 2 to 3 months old
E) 4 to 6 months old