A、<span lang="EN-US" style="caret-color: rgb(0, 0, 0); color: black; font-size: 9pt; font-family: 宋体;"><span style="position: relative; top: 11pt;"><img width="50" height="28" src="blob:http://degree.qingshuxuetang.com/c6b8fc6a-e332-4aba-bdc4-d69e4a2ba483" v:shapes="_x0000_i1025"></span></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;"></span><br>
B、<span lang="EN-US" style="caret-color: rgb(0, 0, 0); color: black; font-size: 9pt; font-family: 宋体;"><span style="position: relative; top: 11pt;"><img width="44" height="28" src="blob:http://degree.qingshuxuetang.com/81db5c1c-f4af-44b5-9379-b31326b228bd" v:shapes="_x0000_i1025"></span></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;"></span><br>
C、<span lang="EN-US" style="caret-color: rgb(0, 0, 0); color: black; font-size: 9pt; font-family: 宋体;"><span style="position: relative; top: 12pt;"><img width="49" height="31" src="blob:http://degree.qingshuxuetang.com/cdaef828-94f1-4bd9-ae98-d4668d867657" v:shapes="_x0000_i1025"></span></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;"></span><br>