--Is there a post office near here? .A. No it isn’tB. Yes there isn’t C. Sorry I do

问题补充：

--Is there a post office near here? -- .

A. No, it isn’t

B. Yes, there isn’t

C. Sorry, I don’t know

D. No, there is

答案：

A. No, it isn’t

B. Yes, there isn’t

(答案→)C. Sorry, I don’t know

D. No, there is

解析：此题重点考查there be 结构的一般疑问句的简略回答，根据语境可知只有C符合句意。