单选题 By the end of the day the flood water which had covered most of the town had
【正确答案】 D
【答案解析】解析：四个选项的意思分别是：reverse使倒退，逆转；retire退役，(使)退休；return归还，恢复；recede自原处后退或避开别人的注视，(水)消退。句意是，傍晚时分，淹没了大部分城镇的洪水消退了。