Answer:
Ensure that the information relates back to your topic for your project. Check the information for its credibility including how relavant it is, its accuracy and purpose for being written or created. Make sure the sources come from reliable works and the authors are qualified to discuss the topic. Lastly, ask yourself if the information will contribute positively to your research project.
Explanation:
D is your answer it's the best one
An abstract concept is difficult to understand because of the unspecific character that is obtained from it.
The sentence that most effectively translates the abstract concept into a mental picture is option C. (Rumors) Whispers od doubt filled the empty halls like the reek of rotten eggs.