It is believed that children of two or three years old are able to learn any language if they are_____it.
【正确答案】 D
【答案解析】解析:题干:人们认为,两三岁的孩子能够学习他们所接触到的任何语言。involve sb.in sth.意指“使某人参与某活动或陷入某情况,表明某人与(某罪行)有关联”;indulge in sth.指“让自己尽情享受某事物”;dispose sb.to sth.指“使某人愿意做某事”;expose sb.to sth.指“显露或暴露某人于某事物,使某人面临某事物或接触某事物”。所以,正确答案为D。