A、<img src="http://s3.qsxt.info/exams/201906/9727c25d-00e8-46a3-9562-c2b2a85af11e.png"/>
B、<img src="http://s3.qsxt.info/exams/201906/ac2c98ff-2b88-4ead-9897-5a97d1ac13c5.png"/>
C、<img src="http://s3.qsxt.info/exams/201906/f7dcd9b1-8667-4929-a446-a30bb14d4a40.png"/>
D、<img src="http://s3.qsxt.info/exams/201906/eea7a565-3ffa-4128-8c63-a7c0e0bb0de5.png"/>
查看答案