第9题: [单项选择]There seemed little hope that the explorers, ______ in the rainforest, would find their way out. A. having deserted B. to have been deserted C. to be deserted D. having been deserted 参考答案:D 答案解析:此句中having been deserted用于描述explorers的状态,是已经被遗弃在雨林里。选项A中缺少被动态,可以排除。to do表示打算、计划做,to have done则是表示本来打算