长期以来，作文教学的主要弊端是()
A.写真情实感B.全批全改C.教师出题学生做、学生作文教师改D.没有系统的写作理论

请阅读下面一份学生的书面表达以及教师的评语，并回答问题。Hi, Suzanne,First of all, welcome to China. In fact, many students have the same problem like you. As a matter of fact, it doesn't as difficult as you think. But ways are great importance. Here are some tips:Firstly, review your lessons so that it can help you catch the important points. Also read books in advance. And put your heart into class, espeeial what the teacher says.Secondly, don't be afraid make mistakes. It's a good study habit which play" a important role in learning language.Thirdly, try to do something hard and always discuss some problems with your classmates in Chinese so that you can learn Chinese from your classmates.Finally, to be patient when you still do poorly in Chinese. As you know, Rome isn't build in a day. As time goes on, you will success sooner or later.I hope that you can make great progress in Chinese. Good luck!Yours, Xiao Yu教师的评语：结构合理，层次清晰。过渡词用得很好，使用了较复杂的句式为文章增色了许多。但画线地方有误，请改正。(1)该教师对学生作文的错误地方画线有何作用?(8分)(2)对该教师对学生作文的批改情况进行分析。(15分)(3)假若此学生作文中出现的问题是学生群体中普遍常犯的错误，教师应该怎么做?(7分)