单选题 It looks as though Ms. Poidevan will not ______ the company at the tradeshow because she is feeling unwell.
A. represent B. demonstrate C. expand D. preserve

【正确答案】 A
【答案解析】[解析] “represent”指的是“代表”,“demonstrate”指的是“证明、展示、论证”,“expand”指的是“扩张,膨胀,详述”,“preserve”指的是“保存,保护,维持”。选A,其他选项不符合题意。