A、<p><img src="http://edu24ol.bs2cdn.100.com:80/fab321945c2948a53097511c0d5369f43e780cda.png" width="180" height="67" title="A.png"/></p>
B、<p><img src="http://edu24ol.bs2cdn.100.com:80/4c06d32605ae693304bccb09b269764a30b2d1a8.png" width="175" height="64" title="B.png"/></p>
C、<p><img src="http://edu24ol.bs2cdn.100.com:80/0694423eb95afc916d06a1f3fe1f1c403e3e7778.png" width="180" height="89" title="C.png"/></p>
D、<p><img src="http://edu24ol.bs2cdn.100.com:80/9c24d9e2ab416df409972def683b8f122f52b937.png" width="174" height="123" title="D.png"/></p>