Answer:
d. Control muscle movement
Step-by-step explanation:
Reflect reactions are important in certain situation because they can control muscle movement without having to go through a conscious process, this means that they immidiately happen, no matter if you want it or not, this can help us gaining time on actions that have to happen in order to help us prevent accidents and other dangerous situations, for example when you touch something really hot, you rapidly let it go, without you sending the sign to the muscle of letting go, your reflex reaction does it automatically saving you from a more profound burn.