Human infants begin smiling shortly after birth as a result of:

Amanda and Peter declined offers from their pediatrician to perform amniocentesis or other screening that could identify possible birth defects. Some parents may refuse to have any screening done, because they would choose to continue the pregnancy regardless of the results for personal, moral, or religious reasons

Indicate whether this statement is true or false.

Each of the following is an emotional display pattern that develops between 4 and 6 months except _____

a. social engagement b. object engagement c. active withdrawal d. active protest