A、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235424_3873.jpg" height="13" width="57" />
B、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235433_1686.jpg" height="13" width="59" />
C、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235439_4342.jpg" height="13" width="59" />
D、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235445_4498.jpg" height="13" width="27" />
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