题目

It is not clear whether users in China, including many foreigners, would continue to get services from Gmail and Google Map, ________. A. should the company shut its service B. the company should shut its service C. would the company shut its service D. the company might shut its service   答案：A函数，是 [　　] A．奇函数 B．非奇非偶函数 C．偶函数 D．即奇又偶函数