Killing one person in order to save five by throwing a switch that diverts a runaway trolley is judged as more morally acceptable than killing one person in order to save five by pushing a stranger directly into the path of the oncoming trolley. This best illustrates that moral judgments may reflect

A)fluid intelligence.
B)gut-level intuitions.
C)stranger anxiety.
D)insecure attachments.
E)formal operational thought.