— What’s this in English?— .A. It’s bagB. This is bagC. It’s a bagD. This is an bag

问题补充：

— What’s this in English?

— .

A. It’s bag

B. This is bag

C. It’s a bag

D. This is an bag

答案：

A. It’s bag

B. This is bag

(答案→)C. It’s a bag

D. This is an bag

解析：问某个事物用英文表达叫什么？回答语通常用人称代词来代替，本题为单数用it，介绍事物类别用不定冠词a或an，故本题选C。