When Presho Was a Newborn, Her Parents Consented to Enrol

When Presho was a newborn, her parents consented to enrol her as a participant in a longitudinal study exploring childhood development. Every year in April, her parents take her to the university in their city so she can participate in some short experiments. When Presho's younger brother, Anam, is born three years later, their parents decide to enrol him as well, and he participates in the same experiments as his sister, also during their visit in April.
-At age 17,Presho and Anam are asked if Robin Hood (who steals from the rich to give money to the poor) was morally right to do what he did.Presho hesitates and finally responds yes.Anam hesitates and finally responds no.These responses indicate that _____________________.

A) only Presho has achieved postconventional moral reasoning.
B) only Presho has achieved individual principles and conscience orientation.
C) both have achieved individual principles and conscience orientation.
D) both have achieved postconventional moral reasoning.