Dina, ______ for months to find a job as a waitress, finally took a position at a local advertising agency. [ ]

A. struggling        

B. struggled        

C. having struggled      

D. to struggle

按风险分类，不良贷款是指（）

A、关注贷款

B、次级贷款

C、可疑贷款

D、损失贷款