问题补充：
He got up late and hurried to his office, the breakfast untouched.
A. left
B. to leave
C. leaving
D. having left
答案：
A. left
B. to leave
(答案→)C. leaving
D. having left
解析：句意：他起晚了，并且着急去上班，早饭没吃。leave和句子的主语he是主动的，所以排除A，to do表示将来，having left表示先于主句的动作发生。所以选择leaving，故选C。
