Depends on what homework it is. We must find the answer either by asking the teacher, our parents or even use the internet.
<span>a neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.</span>
B, you need to give the reader basically a reason to read it so you give the hook and the topic of the sentence so basically what the story is going to be about.
I would save a doctor on a lifeboat because if anyone was injured or hurt in the ship wreckage and you were in the middle of the sea, they could provide much needed emergency medical assistance.
I hope this helped! :-)
Because an apple a day keeps the doctor away!