—Which do you prefer green tea or coffee?—.thanks. Id like a glass of water.A. Either B.

问题补充：

—Which do you prefer,green tea or coffee?

—.thanks. Id like a glass of water.

A. Either B. NeitherC. Both

答案：

解析：考查不定代词用法辨析。Both两者都；either两者中任何之一都；neither两者中任何之一都不。语意：----你要绿茶还是咖啡？-----谢谢，（两者）都不要。我想要杯水。故选B.