单选题 Do you follow what I am saying?
【正确答案】 D
【答案解析】[解析] 画线词follow为动词,意为“听懂”,D项understand意为“理解”,与画线词意思相近;例:I don"t understand what you"re talking about.我不明白你在说什么。A项change意为“改变”;例:Her expression changed when she heard the news.当她听到这一消息时表情就变了。B项investigate意为“调查”;例:The company hired a detective to investigate the accident.公司雇佣了一名侦探来调查这次事故。C项write意为“写”;例:I"ve been writing for three hours.我已经写了3个小时了。