A Client Has Awakened from a Coma After a Car

A client has awakened from a coma after a car accident and states, "I knew about a news story reported during the time I was in the coma." The is an example of the

A) reticular-activating system's stimulation.
B) sleep-latency phase of sleep-wake cycle.
C) circadian rhythm for 24 hours.
D) sensory perception in a conscious process.