Four-year-old DeMarcus falls asleep shortly after his 8:30 P. M. bedtime. At about 9:45 he suddenly sits up in bed, breathing rapidly, and appears to be in a state of sheer panic. DeMarcus is experiencing:

The correct answer to this open question is the following.

Although there are no options for this question e can say the following.

Four-year-old DeMarcus falls asleep shortly after his 8:30 P.M. bedtime. At about 9:45 he suddenly sits up in bed, breathing rapidly, and appears to be in a state of sheer panic. DeMarcus is experiencing night terrors.

In clinical terms, night terrors are episodes when babies are crying or screaming when they are asleep. All of a sudden they wake up in fear and crying. This not only happens to babies but to children ages 2 to 11 or 12 years old.

Doctors say that these episodes present approximately 80 to 90 minutes after children fall asleep. That is precisely what is happening to four-year-old DeMarcus falls asleep shortly after his 8:30 P.M. bedtime. At about 9:45 he suddenly sits up in bed, breathing rapidly, and appears to be in a state of sheer panic.

the answer your looking for is c. : )