Damage to the frontal lobes of the brain is a likely result of a) consuming low doses of alcohol b) consuming medium doses of alcohol c) binge drinking alcohol d) chronic use of alcohol

It is c) binge drinking alcohol 

It can the reader to have a broader understanding of the point or main idea of a passage/essay. if you use words with similar meanings throughout a written work, it can show the reader that the words reflect the key idea of a passage. this can really you to understand what is going on, and reflect on some key ideas and phrases that were mentioned in said written work.i hope this !