According to the text the newsagent last wrote out "Topham’on the top right-handed comer of the author's paper because ______. A: the newsagent wanted to revenge on the author's habit of frequently changing the order B: the newsagent was intentional to punish Topham C: the newsagent was careless and opinionated D: the newsagent was reluctant to write the author’s name in a correct way