When baby Joy smiles at her mother, her mother always smiles back. When she frowns, her mother seems to disregard her expression. Over time, Joy will probably
A) smile more often and frown less often.
B) smile less often and frown more often.
C) smile more often and frown more often.
D) smile and frown the same amount.
Question 2
Phoenix is a very happy infant. When he is amused, he often laughs. According to your book, Phoenix must be more than how many months old?
A) 1-2
B) 3-4
C) 5-6
D) 7-8
