从四个选项选择最合适的一个填入问号处，使之呈现一定的规律性：（　　）。

A、<img width="36" height="34" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/f54b3aa5-2e36-40ad-8d9e-f5bd080969e3.png" />

B、<img width="36" height="35" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/0ca7a303-d2cf-4195-85f4-aac44aba6568.png" />

C、<img width="41" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/a66c0868-d04e-46d5-98fb-8f3283f3f10c.png" />

D、<img width="40" height="35" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/8fca9773-85fd-40f1-89bf-f5406593ec2f.png" />