Bob and Emma Have Just Gotten Home with Their Newborn

Bob and Emma have just gotten home with their newborn baby. This is their first child. Suddenly, the baby starts crying. Which of the following statements is more likely to be true?

A) Emma will be able to decode her newborn's cries because it is innate for mothers to be able to do so.
B) Emma and Bob will probably not be able to decode the cries yet, but will learn to do so in time.
C) Since newborns cry all the time, they should ignore her and let her "cry it out".
D) The newborn is probably suffering from post partum depression because she is not in the womb anymore.