human
Question: I came to the USA because I needed to study English here. I went to an English language school. I was not a beginner, but I was not good at English. At the end of the first term, I could read, write and speak, and I thought I was good at them. However, I was not good at understanding   when people spoke to me. My teacher said," Why don't you repeat   the classes?" I was not happy. I made progress   every month, so I did not want to repeat them. However, it was true -- I was not good at understanding when people spoke to me. My teacher said, "Repeating the classes is a good way to practice listening. And if you repeat them, you will understand more spoken English." In the end, I repeated the classes. In the second term, I studied the same books that I did in the first term. My teacher was right. It was a good idea. Now, after studying English for a year, I can understand more spoken English. And I know that reading, writing and speaking are not enough; listening is also very important. The writer didn't want to repeat the classes at first because   _  .

Choices:
A) he had no time to do that
B) he learnt the book very well
C) there was nobody helping him
D) he thought he made progress every month
gpt
The correct answer is 3: he thought he made progress every month.