Which of the following infants is most at-risk of developing a feeding disorder?
a. Alex, a 2-month-old, who has been diagnosed with Down's Syndrome
b. Abby, a 3-month-old, who was born a month early
c. Alejandro, a 4-month-old, whose mother was addicted to cocaine while pregnant
d. Austin, a 5-month-old, whose identical twin died at birth
