According to Research Presented in the Text, Which of the Following

Multiple Choice

According to research presented in the text, which of the following ages is correctly paired with the developmental milestone associated with it?

A) birth to 3 months: falling in love
B) by 5 months: becoming calm, attentive, and interested in the world
C) by 9 months: becoming a two-way communicator
D) by 48 months: solving problems and forming an organized sense of self