The Ability to Selectively Attend to Incoming Sensory Information Is

The ability to selectively attend to incoming sensory information is believed to result from which of the following?

A) the inability of the brain to handle more than one message at a time
B) transmission of neural impulses that allows important information to be consciously processed
C) gating mechanisms that prevent less important information from being consciously processed
D) sensory deprivation that prevents more important information from being consciously processed