-What are you looking for? 

-I'm looking for the book        I bought yesterday.  [ ]

A.who    

B.which    

C.whose    

D.what

贾谊和晁错增加国家粮食积累的具体措施包括（）

A.加征赋税

B.驱民归农

C.入粟受爵

D.禁奢侈风气