why are you so popular with your students?as a teacher,i seldom give my students so difficult aproblem ( )they cannot work out.a:as b:that c:if d:in order that

why are you so why are you so why are you so why are you so why are you so diao Why are you so diao? Why are you so diao? why are you so excited? why are you so diao? why are you so diao, “why are you so diao? why you are so diao? why are you so stupid? why are you so serious? why are you so diao? why are you so hanhsome? Think why you are so why are you so curious