Where in paragraph 3 does the following sentence best fit?

The colors themselves have been associated with Polish nationalism since the 1700s.

a. Lan: And when they type on tablets, they can change or add more things any time they want.

b. Lan: I think electronic devices make school life easier and more enjoyable.

c. Minh: Exactly. Students who hate homework can have fun doing it on tablets.

(Adapted from Tiếng Anh thí điểm)

a. Despite the challenges, I find teaching very rewarding because I can see my students grow.

b. During class, I guide them through reading, writing, listening, and speaking tasks.

c. After each lesson, I carefully review their work and provide feedback so they can improve.

d. To support my students, I prepare lessons and create activities that develop their language skills.

e. I work as an English teacher at a local school.