34.Imagin a baby about five months old . It can cry and smile, and it can eat and sleep. Did you know a baby can also count ? According to nee psychological research a small baby can even add and subtract small number of objects. People generally think that these abilities are learned much later, but-in fact they are
a. not present until adulthood.
b. learned only by five-month-old babies.
c. already present in small babies.
d. very difficult for children to learn