语法与词汇 39.A survey was carried out on the death rate of new-born babies in that region, ______were surprising.
【正确答案】 D
【答案解析】考查which引导的定语从句。句意是,在那个地区展开了新生儿死亡率的调研,其结果令人非常吃惊。根据句意推出正确答案是D选项。