【正确答案】 C

【答案解析】[解析]第五段最后一句话：During a year after arriving here and enrolling in a chicago public school he was speaking fluent English with an American accent so strong that his parents would roll their eyes．搬到这，在芝加哥公学注册后的一年内，他英语讲的非常流利，关音是如此强以至于他的父母听的都楞神了。可以推测出他的父母很是吃惊。故应选C。