国际工程承包索赔的根据是（）.

A.合同文件

B.招标文件

C.索赔文件

D.现场施工记录

Speaker A: Hey, why don’t we go out and do something tonight I feel kind of bored.
Speaker B: ().

A. You shouldn’t feel bored with so many assignments to finish.

B. Would you like to go dancing with me

C. Sometimes I also feel bored staying at home all day.

D. I wish I could. But I really have to stay in and write to my parents.