Answer:
Answer C
Explanation:
Correct. The author uses the two commas to separate three comments, introduced by “But you will tell me,” that his audience could make to counter his earlier argument about nineteenth-century artists’ relationship to their surroundings. By using commas this way, the author is able to quickly identify and distinguish among three related claims within a potential counterargument to his own views. Doing so allows him to begin refuting this counterargument in the next paragraph.
A dependent clause is a group of words with a subject and a verb. It does not express a complete thought so it is not a sentence and can't stand alone. These clauses include adverb clauses, adjective clauses and noun clauses.
