【单选题】
            
A complete investigation into the accident should lead to improved standards and should ______ new operating procedures.
A.attribute
B.result in
C.match with
D.proceed with
        
        
			
            
            
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				根据网考网移动考试中心的统计,该试题:
30%的考友选择了A选项
55%的考友选择了B选项
3%的考友选择了C选项
12%的考友选择了D选项