【单选题】
{{B}}sECtionA{{/B}}
A.it’s opEn only to tEAChErs AnD postgrADuAtEs.
B.hE CAn stuDy thErE iF hE is writing A rEsEArCh pApEr.
C.sEnior stuDEnts CAn Enjoy morE rights thAn othEr unDErgrADuAtEs.
D.hE nEEDs thE ApprovAl oF his proFEssor For thE usE oF it.