A、 <img src='https://tiw.cn/files/2015-11/longgang/2015110410332758652.png'>
B、 <img src='https://tiw.cn/files/2015-11/longgang/201511041033338320.png'>
C、 <img src='https://tiw.cn/files/2015-11/longgang/2015110410333755427.png'>
D、 <img src='https://tiw.cn/files/2015-11/longgang/2015110410334222041.png'>
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