—I called you at 5:00 yesterday afternoon. But there was no answer. Where were you?            

—I _____ in the supermarket.           [ ]

A. was shopping

B. am shopping

C. have shopped

D. do shopping

在ICD-10第一卷中，内容类目表和四位数亚目、肿瘤形态学这两部分的编码的排列方法是（）

A.按汉语拼音字母的顺序→按数字的大小顺序

B.按英文字母的顺序→按数字的大小顺序

C.按汉语拼音→英文字母的顺序→按笔画多少顺序

D.按数字的大小顺序→按英文字母的顺序

E.按笔画多少顺序→按汉语拼音字母的顺序