The Mother of a 6-Month-Old Infant Asks the Nurse at a Community

The mother of a 6-month-old infant asks the nurse at a community health center what she should do about her baby, who always wants to put everything in his mouth. What would be an appropriate response by the nurse, based on Freud's theory?

A) "There must be something wrong…your baby should not be doing that."
B) "I don't know if that is normal or not, but I will check on it."
C) "Babies at this age explore and enjoy their world with their mouths."
D) "This usually does not happen until babies are 2 years old."