单选题 Mary was very annoyed that her secretary did not meet her deadlines, and she warned her that her laziness and ______ could result in her dismissal.
【正确答案】 A
【答案解析】(procrastination拖延)。句意为：玛丽很恼火，因为她的秘书没有赶上最后期限，她警告她说，懒惰和拖拉会使她被解雇。D，ambition抱负；C．zeal热情；D． fortitude坚忍。