Jeremy is shown a series of photos of a person who could be either male or female. When asked to say whether he thinks the person in the photos is a boy or a girl, Jeremy says that the person is a girl. The next day, Jeremy is shown the photos again, but this time he identifies the person as a boy. Jeremy is most likely between
a. six and seven years old.
b. four and five years old.
c. one and two years old.
d. two and three years old.