Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage. Why does the professor say this: "In case you don’t know, Petrarch was an Italian poet who was influenced by Cicero. "
A．To help students make an obvious connection. B．To highlight a point of confusion for many students. C．To explain a term she just introduced. D．To present a question for the class to consider.