Match Each Example Below with the Use of Historical Research

Match each example below with the use of historical research it best illustrates.
-A researcher studies reports of research on the relationship between intelligence and socioeconomic status since the first intelligence test was developed.

A) Reviewing the literature in a specific area of interest
B) Collecting information concerning past educational practices
C) Sensitizing educators to past practices still in use that require reform
D) Predicting future trends