According to the speaker, what happened in
题型：单项选择题
问题：
According to the speaker, what happened in the U.S. in the 1940s around the time of the Second World War that affected the popularity of the regionalist art
A．The populations of small towns increased rapidly.
B．Art critics in cities began to take notice of regionalism.
C．Some regionalist painters began a new art movement.
D．Society became more internationally focused.