A、<img src="http://s3.qsxt.info/exams/201906/9d85e745-431b-45a4-8c34-a9060df22d85.png"/>
B、<img src="http://s3.qsxt.info/exams/201906/20dd3fd9-e58e-4cbf-aa29-07750c204025.png"/>
C、<img src="http://s3.qsxt.info/exams/201906/8d32af40-aad8-4fd9-9bd6-1f128d82509b.png"/>
D、<img src="http://s3.qsxt.info/exams/201906/c85ef721-1d73-458f-b050-a328e23880c4.png"/>
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