The answer to fill in the blank would be B) Thesis statement because the thesis is like the message the author is trying to send to his readers so they can comprehend his or her text.
SUBJECT-VERB RULE<span> #2 – Two or more SINGULAR</span>subjects<span> joined by or (or nor) act as a singular compound </span>subject<span> and, therefore, take a singular </span>verb<span>to agree. Note: Two or more plural </span>subjects<span> joined by or (or nor) would naturally take a plural </span>verb<span> to agree. However, or and nor can pose a more difficult problem</span>
<span>because the song made a political statement about the country belonging to everyone--including African-Americans</span>