A、<img src="http://s3.qsxt.info/exams/201906/3e78d588-4d79-4b8d-8210-0264f965760e.png"/>
B、<img src="http://s3.qsxt.info/exams/201906/f838fd8e-38c9-4c61-a3dc-85b4d96d9ca0.png"/>
C、<img src="http://s3.qsxt.info/exams/201906/3cd311fc-53c2-43b7-8f03-e2fbc3280f60.png"/>
D、<img src="http://s3.qsxt.info/exams/201906/d0da32d7-b630-4a6f-bed8-25c0bb847197.png"/>
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