下列关于地球运动的叙述错误的是（　　）

A．地球自转和公转的方向相同，都是自西向东

B．地球公转一周的时间为一年

C．9月23日前后，太阳光直射在赤道上，这一天称为秋分日

D．地球的自转使地球上昼夜的长短发生了变化

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.