TOEFL Listening: TPO-TOEFL听力TPO - 1IB801VQMU1GY704R$

Why does the professor mention Shakespeare and the ancient Greek playwrights? A. To support her statement that some original plays do exist B. To show that playwrights historically have used themes from earlier plays C. To point out that Shakespeare was greatly influenced by ancient Greek plays D. To give examples of playwrights whose plays have inspired later playwrights