Each question consists of four sentences on a topic. Some sentences are grammatically incorrect or inappropriate. Select the option that indicates the grammatically correct and appropriate sentence(s).. A. Corn on the cob is the perfect finger food – at least for people not obsessed with counting carbohydrates. B. Quintessentially American, it’s likely that corn evolved somewhere around Panama or Mexico some 5,000 to 7,000 years ago, then spread throughout the Western hemisphere. C. Its subsequent cultivation has been widely credited with letting pre-Columbian communities throughout the Americas settling down and launching their civilizations. D. Eventually agriculture, based on corn, moved into what would become the United States. Options: A . &nbsp B and C B . &nbsp C and D C . &nbsp A and D D . &nbsp A and B E . &nbsp B and D

Answer: Option C : C Option (c) Sentence B has a modifier error – the phrase ‘quintessentially American’ refers to the noun ‘corn’ and should therefore be placed immediately adjacent to it – i.e., ‘It’s likely that quintessentially American corn. . .’ Sentence C has incorrect forms of the verbs ‘settle’ and ‘launch’ – they are main verbs that follow the auxiliary verb ‘let’, and are not parallel to it, so they should be used in the root form, not in the present participle form, not in the present participle form. Sentences A and D are completely correct. Hence, [c].