TOEFL Listening: TPO-TOEFL听力TPO - _31G7HJLQ7754_PCR$

Why does the professor mention the Louisville, Kentucky pedestrian mall? A. To discuss her favorite pedestrian mall to visit B. To illustrate how a pedestrian mall can overcome financial difficulties C. To give an example of a typical, American pedestrian mall D. To show how poor planning can affect the success of a pedestrian mall