The correct answer is B. List specific questions about both subjects
Explanation:
The word compare refers to the action of finding and describing both the similarities and differences between two subjects, concepts, ideas or situations, which is usually link to compare and contrast essays or speeches in which the author analyzes in which way two elements are similar or different. However for writing a text or delivering a speech comparing two or more elements, first it is necessary to determine the way these subjects are similar or different, this process is called gathering details or information.
For gathering details or information there are different procedures that can be followed including brainstorming, listing differences and similarities and creating questions to find the key information about each subject that can be used as a difference or similarity. Considering this, the most effective strategy in gathering details about two subjects to compare them is "List specific questions about both subjects" because by using this strategy it is possible to have detailed information about each subject and then use this information to find similarities and differences which is the main propose of comparing two or more subjects.
