若要删除book表中所有数据，以下语句错误的是（）

A.Update grade set score=score+5
B.Update grade set score=score+5 where score>=55 or score <=60
C.Update grade set score=score+5 where score between 55 and 60
D.Update grade set score=score+5 where score >=55 and score <=60

A.select top 1 * from book order by price asc
B.select top 1 * from book order by price desc
C.select top 1 * from book where price= (select max (price)from book)
D.select top 1 * from book where price= max(price)

A.select max(score) from grade 
B.select top 1 score from grade order by score asc 
C.Select min(score) from grade 
D.select top 1 score from grade order by score desc