单选题 Although he knew little about the large amount of work done in the field, he succeeded ______ other more well-informed experimenters failed.
A. which B. that C. what D. when

【正确答案】 D
【答案解析】[解析] succeed是不及动物词，常跟介词in，表示“在某方面成功”。此句意为：他在别人失败的地方成功了。