【单选题】
            
 -I want to see Mr.Smith. We have an appointment.  -I'm sorry, but he is not______at the moment, for the meeting hasn't ended.
A.available
B.accessible
C.approachable
D.advisable
        
        
			
            
            
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				根据网考网移动考试中心的统计,该试题:
63%的考友选择了A选项
5%的考友选择了B选项
12%的考友选择了C选项
20%的考友选择了D选项