The correct answer is: A. simulation
Simulation is a method of programming a computer to exhibit human intelligence by creating a model of the human mind. This model can be based on psychological theories, neuroscience, or artificial intelligence.
Cognitization is the process of making something cognitive, or capable of thinking. This can be done by adding sensors and actuators to a computer, or by programming it with artificial intelligence.
Duplication is the act of making something exactly the same as something else. This is not possible with human intelligence, as it is a complex and ever-changing phenomenon.
Psychic amelioration is the act of making something psychic, or having to do with the mind. This is not a valid method of programming a computer to exhibit human intelligence.
Therefore, the correct answer is: A. simulation