Which one in the following is the recommendation of Jason on how to avoid making those trivial grammar mistakes when doing the argumentative writing?

A．Look for examples when they are reading and doing research about the ideas that they are going to present in their papers.
B．Copy the good sentences when they are reading and doing research about the ideas that they are going to present in their paper.
C．Recite the grammar rules on the grammar book.
D．Summarize the grammar rules of the papers they’ve read.