A、<img src="http://s3.qsxt.info/exams/201906/27634e39-fae7-48cc-888b-013eb0f01eab.png"/>
B、<img src="http://s3.qsxt.info/exams/201906/8b01f76f-94a1-4b34-8430-0d91cb98708d.png"/>
C、<img src="http://s3.qsxt.info/exams/201906/cdfba376-d6c9-4dd0-9b4a-27f4d3d48a64.png"/>
D、<a></a><img src="http://s3.qsxt.info/exams/201906/ae69a9aa-2472-41aa-8a70-2f8cf5498317.png"/>
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