帮忙填一个词,短文中最后一句以c开头的词是什么?c---

帮忙填一个词,短文中最后一句以c开头的词是什么?c---
As you know,the great American writer Jack London was often in need of money when he began to write his books.He worked very hard but it did not help him.Once he promised a New York magazine to write a story for it,but he was busy at that time and could not keep his promise.The boss of the magazine wrote letters to Jack London several times to ask him to send the story.At last he went to Jack London’s room and left him a note.“Dear Jack London,if I don’t get the story in twenty-four hours,I’ll come to your office and kick you downstairs and I always keep my promise.” Jack London read the note and answered:“Dear Dick,if I could do my work with my feet like you,I would c--- keep my promise,too.”