It is believed that children of two or three years old are able to learn any language if they are ______ it.[2002]

A、 involved in
B、 indulged in
C、 disposed to
D、 exposed to

【正确答案】 D

【答案解析】解析：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。