![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-53/ti_inject-812ce.png)
Why do you think the author wrote this passage?
A.
To teach people to speak English.
B.
To explain why language learning is difficult.
C.
To compare language learning with other types of learning.
D.
To encourage language learners to use these techniques,