单选题 8.  He spoke English so well that I took it for ______ that he was an American.
【正确答案】 D
【答案解析】 考查固定短语。take it for granted“想当然地认为，把……视为理所当然”，句意：他英语说得很好，我理所当然地认为他是一个美国人。故选D。