I think the answer is B. Because there is a period before the sentence: "The cookies were not eaten by the children" choice B contains the misplaced modifier. Unless that was a typo.
Hope this helps!:)
Answer:
Review the test material daily before an exam
Take short breaks and make sure you are well rested.
Set aside time for yourself during the school week
Explanation:
the rest are really bad ideas. you need to study when you are alert, not in a dark room where you will fall asleep
take your textbooks and notes with you everywhere. study whenever you have time. dont leave them at school, you need them.
dont talk to your friends, you cant be distracted.
the answer is B. when the story is at its most intense point