Leonardo is a healthy 4- month-old who was born at 40-weeks gestation is in the office for a well child visit. His parents voice no concerns and state, “He is a very happy baby who loves to eat and is a good sleeper.” Which of the following is an anticipated normative developmental finding on an infant of this age?A. Sitting without support B. Minimal to no Moro reflex notedC. Rolling over tummy to backD. Smiles when smiled to---YouTube: https://www.youtube.com/watch?v=s89Id8kvLBQ&l...