听一段材料，回答下面几个小题。
What did the woman think of her trip to the West Coast?
A. It was wonderful.
B. It was terrible.
C. It wasn't mentioned.
What is the weather like in San Francisco according to the woman?
A. Warm and rainy.
B. Cool but comfortable.
C. Nice and windy.
Why is it easy to get around in San Francisco?
A. Because it is smaller than Los Angeles and the transportation is good.
B. Because it has an underground system while Los Angeles doesn't.
C. Because it has a small population and a small number of buildings.