A、<img src="http://s3.qsxt.info/exams/201906/6ee3bbdf-2944-4a6b-998d-7d22448a64f0.png"/>
B、<img src="http://s3.qsxt.info/exams/201906/7086b2f3-3cef-410b-96bd-48cc64e3127b.png"/>
C、<a></a><img src="http://s3.qsxt.info/exams/201906/be419a7e-cd09-4f56-9e8a-e64a6b1c6cb2.png"/>
D、<img src="http://s3.qsxt.info/exams/201906/84fc2534-61e6-42a0-ad89-fee859f15f1f.png"/>
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