A、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235215_9502.jpg" height="30" width="73" />

B、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235227_1377.jpg" height="29" width="93" />

C、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235232_5283.jpg" height="29" width="100" />

D、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609235238_5283.jpg" height="13" width="63" />