【单选题】
            
I was annoyed by my friend who came late for our appointment but did not bother to ask how long I
A.waited
B.was waiting
C.have waited
D.had been waiting
        
        
			
            
            
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				根据网考网移动考试中心的统计,该试题:
3%的考友选择了A选项
4%的考友选择了B选项
12%的考友选择了C选项
81%的考友选择了D选项