17. If the focus is placed on students are supposed to go through the stages of drafting, receiving feedback，and revising before submitting the final version of their writing.
product
process
genre
format
本题考查中学写作教学。如果写作时将重点放在起草稿、反馈、修改等步骤.上，那这是重过程的写作模式。故本题选B。