Although he knew little about the large amount of work done in the field , he succeeded other more well-informed experimenters failed.
A．as B．unless C．what D．where
Although he knew little about the large amount of work done in the field , he succeeded other more well-informed experimenters failed.
A．as B．unless C．what D．where
D
where引导地点状语从句，在别的受过良好教育的实验者失败的地方，他却成功了。故选D。