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.
Sections of a work can be interpreted in more than one way. Sometimes an author's goal is to make the reader think for himself as it'll weave the author's writing's presence into their basic mindsets. Hope this helped.
Johnny clearly states that he thinks fighting is no good so it can't be A. Answer C is irrelevant, and Johnny never said anything about violence so its not D.