A．<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2012/11/26/aa8c60f30d5d4962a5daec5e3ed57702/9e9debe0-5c6b-432c-b44e-b336acb8b969.jpg">
B．<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2012/11/26/aa8c60f30d5d4962a5daec5e3ed57702/893d8a2d-3e56-49d4-ad20-f963f071288f.jpg">
C．<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2012/11/26/aa8c60f30d5d4962a5daec5e3ed57702/2ecd71fe-0b24-41ff-9a84-5a3581fe5687.jpg">