Which of the following is most likely in Freud's phallic stage of development?

Which of the following is most likely in Freud's phallic stage of development?
 
  a. Jason is 16 months old and tends to bite everything (and everyone) he touches.
  b. Shana is 19 months old, and her mother has noticed that she gets a particular facial expression during the act of elimination.
  c. Shawn is now 4 years old and can often be seen walking around with his hand inside his pants. d. Linda is 12 years old and, unlike some of her friends, seems to have no interest in boys.
  e. William is 14 years old and has developed a strong attraction to Sarah, who resembles his mother.