Mary Sought Counseling Because She Feels Very Lonely

Mary sought counseling because she feels very lonely. When Mary's therapist began exploring the source of Mary's loneliness, Mary disclosed that several times, people have told her that they have a hard time dealing with her "constantly chewing things such as gum, hard candy, pencils and pens." Mary's counselor, who is a well-trained analyst, believes that Mary is fixated in the Oral Stage of psychosexual development. Given this information, which of the following is true?

A) Mary's sexual drive was not satisfied from birth to age 1.
B) Mary received too little Erotogenic stimulation as an infant.
C) Mary received too much anal stimulation as an infant.
D) a and b