While all the answers have a degree of validity, option C is the most correct one. Flashbacks are essentially a narrative technique that allows the author to break the usual monotony of storytelling by jumping back and forth between events and turning a linear story (from point A to point B) into a circular one (from point B to point C through point A, for instance).
Answer:
If you think you have food poisoning or an allergic reaction to food, call your doctor. If it's an emergency, call 911. If you believe you or someone you know became ill from eating a certain food, contact your county or city health department.
Explanation:
Having a dog as a companion is well worth the trouble and expense.
The answer is perseverance.
In the excerpt from "The Oddysey," the narrator advices others not to feel frightened in a dangerous situation, since they have been through more terrifying and alarming times before. For example, he mentions the occasion when the strong Cyclops locked them in a cave. Finally, he tells people to trust his ability to keep calm and his intelligence to find a solution, just like he has done before.