Which of the following statements are true about the thesis-led approach and the argument-led approach?
A、The thesis-led structure maintains a consistent effort to prove a position throughout the body of the essay.
B、The argument-led structure discusses objectively different sides of the same topic and then bases the conclusion on what is discovered
C、These two basic models are fixed and cannot be changed.
D、These two basic models can be modified into different structures to meet the needs of task 2 questions.