The correct answer would be A. The first step in getting the gist would be to identify the keywords. Getting gist is the same as knowing the main idea of a certain passage. The very first to identify this should be to find keywords that you think is important in the text and speaks of the message of the passage.
Answer:
O HELP ME PLS I don't know
Among the choices, option B. Hasn't, is a singular contraction. "Hasn't" is the shortened word for "has not". The rest of the choices are plural contractions: Don't from do not, Haven't from have not, and Weren't from were not.