He accidentally ________ he had quarreled with his wife and that he hadn't been home for a couple of weeks.[ ]

A. let out

B. took care

C. made sure

D. made out

华西村作为集体经济的典范，每天为国家创造利税100多万，幸福的华西人家家住别墅，开轿车，户户资产超百万。华西村成为经济繁荣、社会和谐的超级村庄。集体经济属于

A．公有制经济  

B．非公有制经济

C．私营经济 

D．个体经济