Question

－Is this your ruler? －________． [　　] A． Yes,it is B． No,they aren't C． Sorry D． Yes,they are

Answer 1

答案：A
解析：

考查一般疑问句答语。题目为一般疑问句，而且是单数形式，故应用“Yes,it is．”或“No,it isn't．”回答。故选A项。