5. Given below are four sentences. While three of them are correct, one is not acceptable in formal English as it is grammatically incorrect. Spot that sentence.
A. To insist that there is more to the mind than modules is not to deny humans animal heritage: no doubt a persons central intelligence is itself an evolutionary product of the past.
B. But it does mean that evolutionary psychology, like its predecessors, is in danger of ignoring the very thing that makes humans different from other animals.
C. Perhaps evolutionary psychologists will soon shift their focus away from peripheral modules, and start contributing to understanding of the really hard biological problem of the structure and function of the central intellectual abilities.
D. Until then, they are unlikely to shed more than a sidelight on the human mind or to show people much about why they live the way they do.