要删除book表中书籍(bookName)是"java"的记录，一下代码正确的是

String sql="delete from book where bookName=?";

PreparedStatement pst=conn.prepareStatement(sql);

______________________________

pst.execute();

A、pst.setString(1,"java");

B、pst.setString(0,"java");

C、pst.setInt(0,"java");

D、以上选项都不正确