分类：教育/科学-外语学习-英语考试
问题：高一英语itisnotsurprisingyouaretired 
 is not surprising you are tired,( )you stayedup till eleven last night!A at all B in all C after all D first of all为什麽选C
回答：after all 毕竟的意思.
in all 总共
first of all首先
at all 根本的意思
根据题意,应该选c