A、<img src="http://s3.qsxt.info/exams/201906/ef118bf4-2f0d-4132-93bf-f583901842d0.png"/>
B、<img src="http://s3.qsxt.info/exams/201906/d63d7e21-73c9-4ef7-851b-1a4732355f81.png"/>
C、<img src="http://s3.qsxt.info/exams/201906/f92b7e5d-6b80-480c-81c4-978ef0c2b6aa.png"/>
D、<img src="http://s3.qsxt.info/exams/201906/29b4319e-a3df-44ac-b16c-33f03e3c381f.png"/>