Answer:
c) Pure simulation and ultrarealistic features
Step-by-step explanation:
The main difference between Grand Turismo and other racing games was its focus on Pure simulation and ultrarealistic features. The Grand Turismo series has always been a racing simulation, which was made in order to give players the most realistic racing experience possible. This included hyperrealistic graphics, force feedback, realistic car mechanics, realistic weather, and wheel traction among other features. All of this while other racing games were focusing on the thrill of street racing and modifying cars. Therefore, it managed to set itself apart.