Lara is writing a paper and wants to verify the information from her source. Which step should Lara take first to determine the
accuracy of the source? A.) investigate whether it has been peer-reviewed
B.) confirm the information on a government website
C.) analyze the source for formality
D.) determine the date of publication
The main verb would be "indicated", being that "research" (which is the main subject) is what's doing the action, which is indicating. The whole sentence is basically about the research indicating... etc.