单选题 The lunch menu today consists of a choice of ______ chicken or pork served with a salad or vegetables.

【正确答案】 C
【答案解析】横线后的chicken和pork由or连接,因此可判断是either…or…的结构。答案是(C)。both...and...neither...nor...,not only...but also...等结构也经常出现在试题中。