单选题 The boss took it for granted that his secretary should keep him well-informed.
【正确答案】 B
【答案解析】[分析] 词义辨析 take sth. for granted 认为某事理所当然;选项A意为:设想它毫无疑问地是对的;选项 B:相信它是对的而不经证实;选项C:同意它是必要的;选项D:认为它是有利的;因此B为答案。