More valuable and comprehensive than any previously proposed theory of the phenomenon, Salazar's research has provided the basis for all subsequent researches in her field.
【正确答案】 B
【答案解析】解析：research“调查，研究”。advancement“前进，进步”；investigation“(正式的)调查，研究，科学研究”；experiment“实验，试验”；misconception“误解，错觉”。结合句意可知，画线处应该是调查的意思。故选B。