What would be the next picture in this series?

　　What would be the next picture in this series? Choose one of the following five: 答案：E。黑色的小方块先是在大方框的四角上做顺时针旋转，而后在四边中间上做顺时针

　　What would be the next picture in this series? Choose one of the following five:

答案：E。黑色的小方块先是在大方框的四角上做顺时针旋转，而后在四边中间上做顺时针旋转，下一幅图，就应该是黑块在下边框中点上的那一幅，所以，是E。