A、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609173140_6636.jpg" height="12" width="61" />

B、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609173146_6323.jpg" height="12" width="94" />

C、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609173153_7416.jpg" height="26" width="85" />

D、<img src="http://img.wangxiao.cn/examfiles/imgcache/attached/image/20140609/20140609173202_7572.jpg" height="26" width="66" />