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="59" height="31" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/121337b1-bfc3-4325-90ec-2022f470a41f.png" />

B、<img width="56" height="30" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/f082cc53-7a5b-429a-a29f-77fd4bbc89d5.png" />

C、<img width="55" height="30" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/c175069e-4018-40db-8982-6be10bbe72fc.png" />

D、<img width="58" height="31" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/605f86b0-acf7-45ae-9c77-b3854f232ce8.png" />