— Could I have an interview with Mr Green now, please?
— Sorry, he _________ a meeting. You'd better wait a minute.
A：has
B：had
C：is having
D：was having
一周内累计的读书时间（小时）
5
8
10
14
人数（个）
1
7
3
《马关条约》的签订使清政府完全成为帝国主义统治中国的工具。（ ）
