贷记卡贷款风险分类次级类对应逾期阶段为（）。
A.M6
B.M5
C.M4
D.M3
参考答案：C
照明车消防发电机空载电压整定范围应为（）。
He has _ for ten years. Ten years __________ a long time to him. [ ]
A.left home; are
B. left home; is
C. been away from home; is
D. been away from home; are
