单选题 Experience suggests that small, integrated organizations can operate ______ in critical situations than large firms can.
【正确答案】 D
【答案解析】[解析] 对“比较级+than”结构进行提问的问题。空格处的单词既要和后面的“than”相呼应，同时又要修饰动词“operate”所以用副词的比较级。