Questions 14 to 17 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. According to the professor, what happened in the USA in the 1940s around the time of WWII that affected the popularity of the regionalist art
A．The populations of small towns increased rapidly. B．Art critics in cites began to take notice of regionalism. C．Some regionalist painters began a new art movement. D．Society became more internationally focused.