My mother was against my plan while my father was       it.  

A. in favor of      

B. in memory of    

C. in need of    

D. in search of

The（）schemeinadatabasesystemisresponsibleforthedetectionoffailuresandfortherestorationofthedatabasetoastatethatexistedbeforetheoccurrenceofthefailure.

A.query 

B.test 

C.check 

D.recovery