单选题
He took her hand and felt the scar on her thumb, ______of an accident with a kitchen knife in the early days of their marriage.
【正确答案】
D
【答案解析】解析：名词辨析题。mode意为“模式”；premise意为“前提”；signature意为“签名”；legacy意为“遗产”。mode常用于短语mode of life，意为“生活方式”。premise常与介词on连用。参考例句：We mustact on the premise that the worst can happen．我们必须在可能发生最坏事态的前提下行动。